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Finding the Fourth Proportional to 186,349.20, 257,156.28 and 103,562.92

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Solution

The fourth proportional to 186,349.20, 257,156.28 and 103,562.92 is: 142,913.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    186,349.20 : 257,156.28 = 103,562.92 : x
  2. Step 2: Convert to fraction form
    186,349.20/257,156.28 = 103,562.92/x
  3. Step 3: Cross multiply
    186,349.20x = 257,156.28 × 103,562.92
  4. Step 4: Simplify right side
    186,349.20x = 26,631,855,253.14
  5. Step 5: Solve for x
    x = 26,631,855,253.14/186,349.20
  6. Step 6: Final answer
    x = 142,913.71

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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.