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Finding the Fourth Proportional to 169,387.47, 233,751.21 and 104,839.58

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Solution

The fourth proportional to 169,387.47, 233,751.21 and 104,839.58 is: 144,676.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    169,387.47 : 233,751.21 = 104,839.58 : x
  2. Step 2: Convert to fraction form
    169,387.47/233,751.21 = 104,839.58/x
  3. Step 3: Cross multiply
    169,387.47x = 233,751.21 × 104,839.58
  4. Step 4: Simplify right side
    169,387.47x = 24,506,378,680.89
  5. Step 5: Solve for x
    x = 24,506,378,680.89/169,387.47
  6. Step 6: Final answer
    x = 144,676.45

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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.