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Finding the Fourth Proportional to 202,176,404.60, 303,264,606.90 and 161,865,620.60

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Solution

The fourth proportional to 202,176,404.60, 303,264,606.90 and 161,865,620.60 is: 242,798,430.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    202,176,404.60 : 303,264,606.90 = 161,865,620.60 : x
  2. Step 2: Convert to fraction form
    202,176,404.60/303,264,606.90 = 161,865,620.60/x
  3. Step 3: Cross multiply
    202,176,404.60x = 303,264,606.90 × 161,865,620.60
  4. Step 4: Simplify right side
    202,176,404.60x = 49,088,113,801,883,536
  5. Step 5: Solve for x
    x = 49,088,113,801,883,536/202,176,404.60
  6. Step 6: Final answer
    x = 242,798,430.90

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.