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Finding the Fourth Proportional to 118,267.76, 177,274.68 and 58,986.32

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Solution

The fourth proportional to 118,267.76, 177,274.68 and 58,986.32 is: 88,416.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    118,267.76 : 177,274.68 = 58,986.32 : x
  2. Step 2: Convert to fraction form
    118,267.76/177,274.68 = 58,986.32/x
  3. Step 3: Cross multiply
    118,267.76x = 177,274.68 × 58,986.32
  4. Step 4: Simplify right side
    118,267.76x = 10,456,781,002.38
  5. Step 5: Solve for x
    x = 10,456,781,002.38/118,267.76
  6. Step 6: Final answer
    x = 88,416.16

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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.