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Finding the Fourth Proportional to 118,167.74, 163,073.43 and 64,452.76

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Solution

The fourth proportional to 118,167.74, 163,073.43 and 64,452.76 is: 88,945.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    118,167.74 : 163,073.43 = 64,452.76 : x
  2. Step 2: Convert to fraction form
    118,167.74/163,073.43 = 64,452.76/x
  3. Step 3: Cross multiply
    118,167.74x = 163,073.43 × 64,452.76
  4. Step 4: Simplify right side
    118,167.74x = 10,510,532,646.17
  5. Step 5: Solve for x
    x = 10,510,532,646.17/118,167.74
  6. Step 6: Final answer
    x = 88,945.87

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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.