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Finding the Fourth Proportional to 158,315.76, 237,531.69 and 83,432.88

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Solution

The fourth proportional to 158,315.76, 237,531.69 and 83,432.88 is: 125,179.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    158,315.76 : 237,531.69 = 83,432.88 : x
  2. Step 2: Convert to fraction form
    158,315.76/237,531.69 = 83,432.88/x
  3. Step 3: Cross multiply
    158,315.76x = 237,531.69 × 83,432.88
  4. Step 4: Simplify right side
    158,315.76x = 19,817,952,987.97
  5. Step 5: Solve for x
    x = 19,817,952,987.97/158,315.76
  6. Step 6: Final answer
    x = 125,179.91

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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.