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Finding the Fourth Proportional to 101,046.57, 139,447.43 and 62,292.93

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Solution

The fourth proportional to 101,046.57, 139,447.43 and 62,292.93 is: 85,966.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    101,046.57 : 139,447.43 = 62,292.93 : x
  2. Step 2: Convert to fraction form
    101,046.57/139,447.43 = 62,292.93/x
  3. Step 3: Cross multiply
    101,046.57x = 139,447.43 × 62,292.93
  4. Step 4: Simplify right side
    101,046.57x = 8,686,588,684.21
  5. Step 5: Solve for x
    x = 8,686,588,684.21/101,046.57
  6. Step 6: Final answer
    x = 85,966.19

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.