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Finding the Fourth Proportional to 118,854.30, 163,924.46 and 101,008.38

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Solution

The fourth proportional to 118,854.30, 163,924.46 and 101,008.38 is: 139,311.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    118,854.30 : 163,924.46 = 101,008.38 : x
  2. Step 2: Convert to fraction form
    118,854.30/163,924.46 = 101,008.38/x
  3. Step 3: Cross multiply
    118,854.30x = 163,924.46 × 101,008.38
  4. Step 4: Simplify right side
    118,854.30x = 16,557,744,146.97
  5. Step 5: Solve for x
    x = 16,557,744,146.97/118,854.30
  6. Step 6: Final answer
    x = 139,311.28

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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.