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Finding the Fourth Proportional to 153,755.52, 230,464.80 and 60,158.40

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Solution

The fourth proportional to 153,755.52, 230,464.80 and 60,158.40 is: 90,171.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    153,755.52 : 230,464.80 = 60,158.40 : x
  2. Step 2: Convert to fraction form
    153,755.52/230,464.80 = 60,158.40/x
  3. Step 3: Cross multiply
    153,755.52x = 230,464.80 × 60,158.40
  4. Step 4: Simplify right side
    153,755.52x = 13,864,393,624.32
  5. Step 5: Solve for x
    x = 13,864,393,624.32/153,755.52
  6. Step 6: Final answer
    x = 90,171.68

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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.