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Finding the Fourth Proportional to 153,008.10, 229,512.15 and 74,276.10

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Solution

The fourth proportional to 153,008.10, 229,512.15 and 74,276.10 is: 111,414.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    153,008.10 : 229,512.15 = 74,276.10 : x
  2. Step 2: Convert to fraction form
    153,008.10/229,512.15 = 74,276.10/x
  3. Step 3: Cross multiply
    153,008.10x = 229,512.15 × 74,276.10
  4. Step 4: Simplify right side
    153,008.10x = 17,047,267,404.62
  5. Step 5: Solve for x
    x = 17,047,267,404.62/153,008.10
  6. Step 6: Final answer
    x = 111,414.15

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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.