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Finding the Fourth Proportional to 169,405.20, 233,775.72 and 93,953.70

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Solution

The fourth proportional to 169,405.20, 233,775.72 and 93,953.70 is: 129,654.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    169,405.20 : 233,775.72 = 93,953.70 : x
  2. Step 2: Convert to fraction form
    169,405.20/233,775.72 = 93,953.70/x
  3. Step 3: Cross multiply
    169,405.20x = 233,775.72 × 93,953.70
  4. Step 4: Simplify right side
    169,405.20x = 21,964,093,864.16
  5. Step 5: Solve for x
    x = 21,964,093,864.16/169,405.20
  6. Step 6: Final answer
    x = 129,654.19

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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.