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Finding the Fourth Proportional to 136,386, 204,581.56 and 37,892.56

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Solution

The fourth proportional to 136,386, 204,581.56 and 37,892.56 is: 56,839.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    136,386 : 204,581.56 = 37,892.56 : x
  2. Step 2: Convert to fraction form
    136,386/204,581.56 = 37,892.56/x
  3. Step 3: Cross multiply
    136,386x = 204,581.56 × 37,892.56
  4. Step 4: Simplify right side
    136,386x = 7,752,119,037.19
  5. Step 5: Solve for x
    x = 7,752,119,037.19/136,386
  6. Step 6: Final answer
    x = 56,839.55

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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.