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Finding the Fourth Proportional to 92,675.76, 127,894.48 and 52,387.12

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Solution

The fourth proportional to 92,675.76, 127,894.48 and 52,387.12 is: 72,295.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    92,675.76 : 127,894.48 = 52,387.12 : x
  2. Step 2: Convert to fraction form
    92,675.76/127,894.48 = 52,387.12/x
  3. Step 3: Cross multiply
    92,675.76x = 127,894.48 × 52,387.12
  4. Step 4: Simplify right side
    92,675.76x = 6,700,023,471.10
  5. Step 5: Solve for x
    x = 6,700,023,471.10/92,675.76
  6. Step 6: Final answer
    x = 72,295.32

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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.