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Finding the Fourth Proportional to 124,903.57, 187,416.87 and 58,348.38

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Solution

The fourth proportional to 124,903.57, 187,416.87 and 58,348.38 is: 87,551.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    124,903.57 : 187,416.87 = 58,348.38 : x
  2. Step 2: Convert to fraction form
    124,903.57/187,416.87 = 58,348.38/x
  3. Step 3: Cross multiply
    124,903.57x = 187,416.87 × 58,348.38
  4. Step 4: Simplify right side
    124,903.57x = 10,935,470,749.17
  5. Step 5: Solve for x
    x = 10,935,470,749.17/124,903.57
  6. Step 6: Final answer
    x = 87,551.31

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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.