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Finding the Fourth Proportional to 124,893.54, 187,339.86 and 44,931.33

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Solution

The fourth proportional to 124,893.54, 187,339.86 and 44,931.33 is: 67,396.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    124,893.54 : 187,339.86 = 44,931.33 : x
  2. Step 2: Convert to fraction form
    124,893.54/187,339.86 = 44,931.33/x
  3. Step 3: Cross multiply
    124,893.54x = 187,339.86 × 44,931.33
  4. Step 4: Simplify right side
    124,893.54x = 8,417,429,071.81
  5. Step 5: Solve for x
    x = 8,417,429,071.81/124,893.54
  6. Step 6: Final answer
    x = 67,396.83

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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.