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Finding the Fourth Proportional to 118,136.62, 163,024.95 and 64,422.73

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Solution

The fourth proportional to 118,136.62, 163,024.95 and 64,422.73 is: 88,901.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    118,136.62 : 163,024.95 = 64,422.73 : x
  2. Step 2: Convert to fraction form
    118,136.62/163,024.95 = 64,422.73/x
  3. Step 3: Cross multiply
    118,136.62x = 163,024.95 × 64,422.73
  4. Step 4: Simplify right side
    118,136.62x = 10,502,512,337.11
  5. Step 5: Solve for x
    x = 10,502,512,337.11/118,136.62
  6. Step 6: Final answer
    x = 88,901.41

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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.