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Finding the Fourth Proportional to 153,851.20, 230,800.56 and 65,105.20

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Solution

The fourth proportional to 153,851.20, 230,800.56 and 65,105.20 is: 97,667.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    153,851.20 : 230,800.56 = 65,105.20 : x
  2. Step 2: Convert to fraction form
    153,851.20/230,800.56 = 65,105.20/x
  3. Step 3: Cross multiply
    153,851.20x = 230,800.56 × 65,105.20
  4. Step 4: Simplify right side
    153,851.20x = 15,026,316,618.91
  5. Step 5: Solve for x
    x = 15,026,316,618.91/153,851.20
  6. Step 6: Final answer
    x = 97,667.85

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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.