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Finding the Fourth Proportional to 153,616.01, 230,119.88 and 72,451.88

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Solution

The fourth proportional to 153,616.01, 230,119.88 and 72,451.88 is: 108,534.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    153,616.01 : 230,119.88 = 72,451.88 : x
  2. Step 2: Convert to fraction form
    153,616.01/230,119.88 = 72,451.88/x
  3. Step 3: Cross multiply
    153,616.01x = 230,119.88 × 72,451.88
  4. Step 4: Simplify right side
    153,616.01x = 16,672,617,281.47
  5. Step 5: Solve for x
    x = 16,672,617,281.47/153,616.01
  6. Step 6: Final answer
    x = 108,534.38

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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.