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Finding the Fourth Proportional to 73,124.83, 109,688.01 and 25,741.27

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Solution

The fourth proportional to 73,124.83, 109,688.01 and 25,741.27 is: 38,612.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    73,124.83 : 109,688.01 = 25,741.27 : x
  2. Step 2: Convert to fraction form
    73,124.83/109,688.01 = 25,741.27/x
  3. Step 3: Cross multiply
    73,124.83x = 109,688.01 × 25,741.27
  4. Step 4: Simplify right side
    73,124.83x = 2,823,508,681.17
  5. Step 5: Solve for x
    x = 2,823,508,681.17/73,124.83
  6. Step 6: Final answer
    x = 38,612.17

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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.