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Finding the Fourth Proportional to 202,800.60, 304,373.70 and 90,653.40

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Solution

The fourth proportional to 202,800.60, 304,373.70 and 90,653.40 is: 136,057.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    202,800.60 : 304,373.70 = 90,653.40 : x
  2. Step 2: Convert to fraction form
    202,800.60/304,373.70 = 90,653.40/x
  3. Step 3: Cross multiply
    202,800.60x = 304,373.70 × 90,653.40
  4. Step 4: Simplify right side
    202,800.60x = 27,592,510,775.58
  5. Step 5: Solve for x
    x = 27,592,510,775.58/202,800.60
  6. Step 6: Final answer
    x = 136,057.34

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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.