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Finding the Fourth Proportional to 147,658.92, 203,698.40 and 96,649.17

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Solution

The fourth proportional to 147,658.92, 203,698.40 and 96,649.17 is: 133,329.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    147,658.92 : 203,698.40 = 96,649.17 : x
  2. Step 2: Convert to fraction form
    147,658.92/203,698.40 = 96,649.17/x
  3. Step 3: Cross multiply
    147,658.92x = 203,698.40 × 96,649.17
  4. Step 4: Simplify right side
    147,658.92x = 19,687,280,043.21
  5. Step 5: Solve for x
    x = 19,687,280,043.21/147,658.92
  6. Step 6: Final answer
    x = 133,329.44

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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.