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Finding the Fourth Proportional to 92,385.76, 127,482.48 and 52,098.64

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Solution

The fourth proportional to 92,385.76, 127,482.48 and 52,098.64 is: 71,890.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    92,385.76 : 127,482.48 = 52,098.64 : x
  2. Step 2: Convert to fraction form
    92,385.76/127,482.48 = 52,098.64/x
  3. Step 3: Cross multiply
    92,385.76x = 127,482.48 × 52,098.64
  4. Step 4: Simplify right side
    92,385.76x = 6,641,663,831.83
  5. Step 5: Solve for x
    x = 6,641,663,831.83/92,385.76
  6. Step 6: Final answer
    x = 71,890.56

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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.