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Finding the Fourth Proportional to 176,176.60, 264,264.90 and 136,810.60

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Solution

The fourth proportional to 176,176.60, 264,264.90 and 136,810.60 is: 205,215.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    176,176.60 : 264,264.90 = 136,810.60 : x
  2. Step 2: Convert to fraction form
    176,176.60/264,264.90 = 136,810.60/x
  3. Step 3: Cross multiply
    176,176.60x = 264,264.90 × 136,810.60
  4. Step 4: Simplify right side
    176,176.60x = 36,154,239,527.94
  5. Step 5: Solve for x
    x = 36,154,239,527.94/176,176.60
  6. Step 6: Final answer
    x = 205,215.90

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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.