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Finding the Fourth Proportional to 92,613.74, 127,799.37 and 52,331

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Solution

The fourth proportional to 92,613.74, 127,799.37 and 52,331 is: 72,212.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    92,613.74 : 127,799.37 = 52,331 : x
  2. Step 2: Convert to fraction form
    92,613.74/127,799.37 = 52,331/x
  3. Step 3: Cross multiply
    92,613.74x = 127,799.37 × 52,331
  4. Step 4: Simplify right side
    92,613.74x = 6,687,868,831.47
  5. Step 5: Solve for x
    x = 6,687,868,831.47/92,613.74
  6. Step 6: Final answer
    x = 72,212.49

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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.