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Finding the Fourth Proportional to 73,127.55, 109,748.52 and 37,587.43

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Solution

The fourth proportional to 73,127.55, 109,748.52 and 37,587.43 is: 56,410.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    73,127.55 : 109,748.52 = 37,587.43 : x
  2. Step 2: Convert to fraction form
    73,127.55/109,748.52 = 37,587.43/x
  3. Step 3: Cross multiply
    73,127.55x = 109,748.52 × 37,587.43
  4. Step 4: Simplify right side
    73,127.55x = 4,125,164,813.10
  5. Step 5: Solve for x
    x = 4,125,164,813.10/73,127.55
  6. Step 6: Final answer
    x = 56,410.54

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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.