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Finding the Fourth Proportional to 124,704.72, 187,034.58 and 35,936.40

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Solution

The fourth proportional to 124,704.72, 187,034.58 and 35,936.40 is: 53,898.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    124,704.72 : 187,034.58 = 35,936.40 : x
  2. Step 2: Convert to fraction form
    124,704.72/187,034.58 = 35,936.40/x
  3. Step 3: Cross multiply
    124,704.72x = 187,034.58 × 35,936.40
  4. Step 4: Simplify right side
    124,704.72x = 6,721,349,480.71
  5. Step 5: Solve for x
    x = 6,721,349,480.71/124,704.72
  6. Step 6: Final answer
    x = 53,898.12

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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.