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Finding the Fourth Proportional to 153,593.64, 230,373.18 and 42,794.28

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Solution

The fourth proportional to 153,593.64, 230,373.18 and 42,794.28 is: 64,186.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    153,593.64 : 230,373.18 = 42,794.28 : x
  2. Step 2: Convert to fraction form
    153,593.64/230,373.18 = 42,794.28/x
  3. Step 3: Cross multiply
    153,593.64x = 230,373.18 × 42,794.28
  4. Step 4: Simplify right side
    153,593.64x = 9,858,654,369.41
  5. Step 5: Solve for x
    x = 9,858,654,369.41/153,593.64
  6. Step 6: Final answer
    x = 64,186.61

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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.