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Finding the Fourth Proportional to 92,595.78, 127,781.64 and 52,310.16

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Solution

The fourth proportional to 92,595.78, 127,781.64 and 52,310.16 is: 72,187.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    92,595.78 : 127,781.64 = 52,310.16 : x
  2. Step 2: Convert to fraction form
    92,595.78/127,781.64 = 52,310.16/x
  3. Step 3: Cross multiply
    92,595.78x = 127,781.64 × 52,310.16
  4. Step 4: Simplify right side
    92,595.78x = 6,684,278,033.46
  5. Step 5: Solve for x
    x = 6,684,278,033.46/92,595.78
  6. Step 6: Final answer
    x = 72,187.72

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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.