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Finding the Fourth Proportional to 126,295.86, 189,458.28 and 58,792.89

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Solution

The fourth proportional to 126,295.86, 189,458.28 and 58,792.89 is: 88,196.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    126,295.86 : 189,458.28 = 58,792.89 : x
  2. Step 2: Convert to fraction form
    126,295.86/189,458.28 = 58,792.89/x
  3. Step 3: Cross multiply
    126,295.86x = 189,458.28 × 58,792.89
  4. Step 4: Simplify right side
    126,295.86x = 11,138,799,815.63
  5. Step 5: Solve for x
    x = 11,138,799,815.63/126,295.86
  6. Step 6: Final answer
    x = 88,196.08

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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.