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Finding the Fourth Proportional to 158,157.40, 237,159.30 and 87,962.20

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Solution

The fourth proportional to 158,157.40, 237,159.30 and 87,962.20 is: 131,900.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    158,157.40 : 237,159.30 = 87,962.20 : x
  2. Step 2: Convert to fraction form
    158,157.40/237,159.30 = 87,962.20/x
  3. Step 3: Cross multiply
    158,157.40x = 237,159.30 × 87,962.20
  4. Step 4: Simplify right side
    158,157.40x = 20,861,053,778.46
  5. Step 5: Solve for x
    x = 20,861,053,778.46/158,157.40
  6. Step 6: Final answer
    x = 131,900.59

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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.