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Finding the Fourth Proportional to 153,395.32, 230,105.29 and 53,553.30

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Solution

The fourth proportional to 153,395.32, 230,105.29 and 53,553.30 is: 80,334.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    153,395.32 : 230,105.29 = 53,553.30 : x
  2. Step 2: Convert to fraction form
    153,395.32/230,105.29 = 53,553.30/x
  3. Step 3: Cross multiply
    153,395.32x = 230,105.29 × 53,553.30
  4. Step 4: Simplify right side
    153,395.32x = 12,322,897,626.96
  5. Step 5: Solve for x
    x = 12,322,897,626.96/153,395.32
  6. Step 6: Final answer
    x = 80,334.25

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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.