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Finding the Fourth Proportional to 158,902.88, 238,354.08 and 40,574.24

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Solution

The fourth proportional to 158,902.88, 238,354.08 and 40,574.24 is: 60,861.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    158,902.88 : 238,354.08 = 40,574.24 : x
  2. Step 2: Convert to fraction form
    158,902.88/238,354.08 = 40,574.24/x
  3. Step 3: Cross multiply
    158,902.88x = 238,354.08 × 40,574.24
  4. Step 4: Simplify right side
    158,902.88x = 9,671,035,646.90
  5. Step 5: Solve for x
    x = 9,671,035,646.90/158,902.88
  6. Step 6: Final answer
    x = 60,861.30

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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.