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Finding the Fourth Proportional to 168,953.69, 232,773.72 and 138,691.08

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Solution

The fourth proportional to 168,953.69, 232,773.72 and 138,691.08 is: 191,079.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    168,953.69 : 232,773.72 = 138,691.08 : x
  2. Step 2: Convert to fraction form
    168,953.69/232,773.72 = 138,691.08/x
  3. Step 3: Cross multiply
    168,953.69x = 232,773.72 × 138,691.08
  4. Step 4: Simplify right side
    168,953.69x = 32,283,638,622.42
  5. Step 5: Solve for x
    x = 32,283,638,622.42/168,953.69
  6. Step 6: Final answer
    x = 191,079.81

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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.