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Finding the Fourth Proportional to 502,078.38, 753,079.50 and 165,130.02

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Solution

The fourth proportional to 502,078.38, 753,079.50 and 165,130.02 is: 247,682.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    502,078.38 : 753,079.50 = 165,130.02 : x
  2. Step 2: Convert to fraction form
    502,078.38/753,079.50 = 165,130.02/x
  3. Step 3: Cross multiply
    502,078.38x = 753,079.50 × 165,130.02
  4. Step 4: Simplify right side
    502,078.38x = 124,356,032,896.59
  5. Step 5: Solve for x
    x = 124,356,032,896.59/502,078.38
  6. Step 6: Final answer
    x = 247,682.51

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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.