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Finding the Fourth Proportional to 153,921.60, 230,882.40 and 83,937.60

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Solution

The fourth proportional to 153,921.60, 230,882.40 and 83,937.60 is: 125,906.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    153,921.60 : 230,882.40 = 83,937.60 : x
  2. Step 2: Convert to fraction form
    153,921.60/230,882.40 = 83,937.60/x
  3. Step 3: Cross multiply
    153,921.60x = 230,882.40 × 83,937.60
  4. Step 4: Simplify right side
    153,921.60x = 19,379,714,538.24
  5. Step 5: Solve for x
    x = 19,379,714,538.24/153,921.60
  6. Step 6: Final answer
    x = 125,906.40

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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.