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Finding the Fourth Proportional to 153,809.52, 230,691.24 and 127,682.16

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Solution

The fourth proportional to 153,809.52, 230,691.24 and 127,682.16 is: 191,504.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    153,809.52 : 230,691.24 = 127,682.16 : x
  2. Step 2: Convert to fraction form
    153,809.52/230,691.24 = 127,682.16/x
  3. Step 3: Cross multiply
    153,809.52x = 230,691.24 × 127,682.16
  4. Step 4: Simplify right side
    153,809.52x = 29,455,155,816.28
  5. Step 5: Solve for x
    x = 29,455,155,816.28/153,809.52
  6. Step 6: Final answer
    x = 191,504.11

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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.