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Finding the Fourth Proportional to 153,493.21, 230,270.96 and 48,287.71

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Solution

The fourth proportional to 153,493.21, 230,270.96 and 48,287.71 is: 72,441.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    153,493.21 : 230,270.96 = 48,287.71 : x
  2. Step 2: Convert to fraction form
    153,493.21/230,270.96 = 48,287.71/x
  3. Step 3: Cross multiply
    153,493.21x = 230,270.96 × 48,287.71
  4. Step 4: Simplify right side
    153,493.21x = 11,119,257,337.90
  5. Step 5: Solve for x
    x = 11,119,257,337.90/153,493.21
  6. Step 6: Final answer
    x = 72,441.36

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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.