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Finding the Fourth Proportional to 168,306.72, 232,256.88 and 104,629.92

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Solution

The fourth proportional to 168,306.72, 232,256.88 and 104,629.92 is: 144,385.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    168,306.72 : 232,256.88 = 104,629.92 : x
  2. Step 2: Convert to fraction form
    168,306.72/232,256.88 = 104,629.92/x
  3. Step 3: Cross multiply
    168,306.72x = 232,256.88 × 104,629.92
  4. Step 4: Simplify right side
    168,306.72x = 24,301,018,773.85
  5. Step 5: Solve for x
    x = 24,301,018,773.85/168,306.72
  6. Step 6: Final answer
    x = 144,385.31

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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.