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Finding the Fourth Proportional to 169,387.72, 233,751.56 and 104,839.83

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Solution

The fourth proportional to 169,387.72, 233,751.56 and 104,839.83 is: 144,676.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    169,387.72 : 233,751.56 = 104,839.83 : x
  2. Step 2: Convert to fraction form
    169,387.72/233,751.56 = 104,839.83/x
  3. Step 3: Cross multiply
    169,387.72x = 233,751.56 × 104,839.83
  4. Step 4: Simplify right side
    169,387.72x = 24,506,473,288.44
  5. Step 5: Solve for x
    x = 24,506,473,288.44/169,387.72
  6. Step 6: Final answer
    x = 144,676.80

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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.