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Finding the Fourth Proportional to 83,600.29, 115,368.16 and 45,359.68

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Solution

The fourth proportional to 83,600.29, 115,368.16 and 45,359.68 is: 62,596.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    83,600.29 : 115,368.16 = 45,359.68 : x
  2. Step 2: Convert to fraction form
    83,600.29/115,368.16 = 45,359.68/x
  3. Step 3: Cross multiply
    83,600.29x = 115,368.16 × 45,359.68
  4. Step 4: Simplify right side
    83,600.29x = 5,233,062,819.79
  5. Step 5: Solve for x
    x = 5,233,062,819.79/83,600.29
  6. Step 6: Final answer
    x = 62,596.23

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.