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Finding the Fourth Proportional to 141,304.32, 194,951.73 and 87,569.73

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Solution

The fourth proportional to 141,304.32, 194,951.73 and 87,569.73 is: 120,816.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    141,304.32 : 194,951.73 = 87,569.73 : x
  2. Step 2: Convert to fraction form
    141,304.32/194,951.73 = 87,569.73/x
  3. Step 3: Cross multiply
    141,304.32x = 194,951.73 × 87,569.73
  4. Step 4: Simplify right side
    141,304.32x = 17,071,870,359.13
  5. Step 5: Solve for x
    x = 17,071,870,359.13/141,304.32
  6. Step 6: Final answer
    x = 120,816.34

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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.