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Finding the Fourth Proportional to 144,710.80, 217,066.20 and 60,456.40

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Solution

The fourth proportional to 144,710.80, 217,066.20 and 60,456.40 is: 90,684.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    144,710.80 : 217,066.20 = 60,456.40 : x
  2. Step 2: Convert to fraction form
    144,710.80/217,066.20 = 60,456.40/x
  3. Step 3: Cross multiply
    144,710.80x = 217,066.20 × 60,456.40
  4. Step 4: Simplify right side
    144,710.80x = 13,123,041,013.68
  5. Step 5: Solve for x
    x = 13,123,041,013.68/144,710.80
  6. Step 6: Final answer
    x = 90,684.60

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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.