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Finding the Fourth Proportional to 124,998.93, 187,404.44 and 40,708.91

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Solution

The fourth proportional to 124,998.93, 187,404.44 and 40,708.91 is: 61,032.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    124,998.93 : 187,404.44 = 40,708.91 : x
  2. Step 2: Convert to fraction form
    124,998.93/187,404.44 = 40,708.91/x
  3. Step 3: Cross multiply
    124,998.93x = 187,404.44 × 40,708.91
  4. Step 4: Simplify right side
    124,998.93x = 7,629,030,746.53
  5. Step 5: Solve for x
    x = 7,629,030,746.53/124,998.93
  6. Step 6: Final answer
    x = 61,032.77

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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.