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Finding the Fourth Proportional to 159,785.32, 239,449.56 and 117,332.32

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Solution

The fourth proportional to 159,785.32, 239,449.56 and 117,332.32 is: 175,830.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    159,785.32 : 239,449.56 = 117,332.32 : x
  2. Step 2: Convert to fraction form
    159,785.32/239,449.56 = 117,332.32/x
  3. Step 3: Cross multiply
    159,785.32x = 239,449.56 × 117,332.32
  4. Step 4: Simplify right side
    159,785.32x = 28,095,172,397.78
  5. Step 5: Solve for x
    x = 28,095,172,397.78/159,785.32
  6. Step 6: Final answer
    x = 175,830.75

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.