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Finding the Fourth Proportional to 73,308.17, 109,964.79 and 25,276.19

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Solution

The fourth proportional to 73,308.17, 109,964.79 and 25,276.19 is: 37,915.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    73,308.17 : 109,964.79 = 25,276.19 : x
  2. Step 2: Convert to fraction form
    73,308.17/109,964.79 = 25,276.19/x
  3. Step 3: Cross multiply
    73,308.17x = 109,964.79 × 25,276.19
  4. Step 4: Simplify right side
    73,308.17x = 2,779,490,375.53
  5. Step 5: Solve for x
    x = 2,779,490,375.53/73,308.17
  6. Step 6: Final answer
    x = 37,915.15

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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.