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Finding the Fourth Proportional to 83,326.53, 114,990.66 and 45,600.78

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Solution

The fourth proportional to 83,326.53, 114,990.66 and 45,600.78 is: 62,929.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    83,326.53 : 114,990.66 = 45,600.78 : x
  2. Step 2: Convert to fraction form
    83,326.53/114,990.66 = 45,600.78/x
  3. Step 3: Cross multiply
    83,326.53x = 114,990.66 × 45,600.78
  4. Step 4: Simplify right side
    83,326.53x = 5,243,663,788.71
  5. Step 5: Solve for x
    x = 5,243,663,788.71/83,326.53
  6. Step 6: Final answer
    x = 62,929.10

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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.