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Finding the Fourth Proportional to 92,182.76, 127,251.42 and 61,985.60

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Solution

The fourth proportional to 92,182.76, 127,251.42 and 61,985.60 is: 85,566.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    92,182.76 : 127,251.42 = 61,985.60 : x
  2. Step 2: Convert to fraction form
    92,182.76/127,251.42 = 61,985.60/x
  3. Step 3: Cross multiply
    92,182.76x = 127,251.42 × 61,985.60
  4. Step 4: Simplify right side
    92,182.76x = 7,887,755,619.55
  5. Step 5: Solve for x
    x = 7,887,755,619.55/92,182.76
  6. Step 6: Final answer
    x = 85,566.49

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1.5x scale

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.