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Finding the Fourth Proportional to 151,599.68, 209,265.20 and 113,983.20

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Solution

The fourth proportional to 151,599.68, 209,265.20 and 113,983.20 is: 157,340.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    151,599.68 : 209,265.20 = 113,983.20 : x
  2. Step 2: Convert to fraction form
    151,599.68/209,265.20 = 113,983.20/x
  3. Step 3: Cross multiply
    151,599.68x = 209,265.20 × 113,983.20
  4. Step 4: Simplify right side
    151,599.68x = 23,852,717,144.64
  5. Step 5: Solve for x
    x = 23,852,717,144.64/151,599.68
  6. Step 6: Final answer
    x = 157,340.15

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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.