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Finding the Fourth Proportional to 92,385.61, 127,512.55 and 60,063.98

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Solution

The fourth proportional to 92,385.61, 127,512.55 and 60,063.98 is: 82,901.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    92,385.61 : 127,512.55 = 60,063.98 : x
  2. Step 2: Convert to fraction form
    92,385.61/127,512.55 = 60,063.98/x
  3. Step 3: Cross multiply
    92,385.61x = 127,512.55 × 60,063.98
  4. Step 4: Simplify right side
    92,385.61x = 7,658,911,252.95
  5. Step 5: Solve for x
    x = 7,658,911,252.95/92,385.61
  6. Step 6: Final answer
    x = 82,901.56

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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.