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Finding the Fourth Proportional to 144,092.60, 216,266.90 and 84,854.20

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Solution

The fourth proportional to 144,092.60, 216,266.90 and 84,854.20 is: 127,356.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    144,092.60 : 216,266.90 = 84,854.20 : x
  2. Step 2: Convert to fraction form
    144,092.60/216,266.90 = 84,854.20/x
  3. Step 3: Cross multiply
    144,092.60x = 216,266.90 × 84,854.20
  4. Step 4: Simplify right side
    144,092.60x = 18,351,154,785.98
  5. Step 5: Solve for x
    x = 18,351,154,785.98/144,092.60
  6. Step 6: Final answer
    x = 127,356.68

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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.