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Finding the Fourth Proportional to 92,595.79, 127,781.24 and 52,309.50

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Solution

The fourth proportional to 92,595.79, 127,781.24 and 52,309.50 is: 72,186.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    92,595.79 : 127,781.24 = 52,309.50 : x
  2. Step 2: Convert to fraction form
    92,595.79/127,781.24 = 52,309.50/x
  3. Step 3: Cross multiply
    92,595.79x = 127,781.24 × 52,309.50
  4. Step 4: Simplify right side
    92,595.79x = 6,684,172,773.78
  5. Step 5: Solve for x
    x = 6,684,172,773.78/92,595.79
  6. Step 6: Final answer
    x = 72,186.57

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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.