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Finding the Fourth Proportional to 92,685.53, 127,919.67 and 58,697.12

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Solution

The fourth proportional to 92,685.53, 127,919.67 and 58,697.12 is: 81,010.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    92,685.53 : 127,919.67 = 58,697.12 : x
  2. Step 2: Convert to fraction form
    92,685.53/127,919.67 = 58,697.12/x
  3. Step 3: Cross multiply
    92,685.53x = 127,919.67 × 58,697.12
  4. Step 4: Simplify right side
    92,685.53x = 7,508,516,220.35
  5. Step 5: Solve for x
    x = 7,508,516,220.35/92,685.53
  6. Step 6: Final answer
    x = 81,010.66

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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.