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Finding the Fourth Proportional to 90,375.01, 124,688.99 and 52,129.42

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Solution

The fourth proportional to 90,375.01, 124,688.99 and 52,129.42 is: 71,922.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    90,375.01 : 124,688.99 = 52,129.42 : x
  2. Step 2: Convert to fraction form
    90,375.01/124,688.99 = 52,129.42/x
  3. Step 3: Cross multiply
    90,375.01x = 124,688.99 × 52,129.42
  4. Step 4: Simplify right side
    90,375.01x = 6,499,964,547.69
  5. Step 5: Solve for x
    x = 6,499,964,547.69/90,375.01
  6. Step 6: Final answer
    x = 71,922.15

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