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Finding the Fourth Proportional to 168,248.81, 232,175.16 and 100,264.23

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Solution

The fourth proportional to 168,248.81, 232,175.16 and 100,264.23 is: 138,359.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    168,248.81 : 232,175.16 = 100,264.23 : x
  2. Step 2: Convert to fraction form
    168,248.81/232,175.16 = 100,264.23/x
  3. Step 3: Cross multiply
    168,248.81x = 232,175.16 × 100,264.23
  4. Step 4: Simplify right side
    168,248.81x = 23,278,863,642.53
  5. Step 5: Solve for x
    x = 23,278,863,642.53/168,248.81
  6. Step 6: Final answer
    x = 138,359.75

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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.