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Finding the Fourth Proportional to 250,349.76, 375,525.36 and 72,861.12

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Solution

The fourth proportional to 250,349.76, 375,525.36 and 72,861.12 is: 109,291.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    250,349.76 : 375,525.36 = 72,861.12 : x
  2. Step 2: Convert to fraction form
    250,349.76/375,525.36 = 72,861.12/x
  3. Step 3: Cross multiply
    250,349.76x = 375,525.36 × 72,861.12
  4. Step 4: Simplify right side
    250,349.76x = 27,361,198,318.00
  5. Step 5: Solve for x
    x = 27,361,198,318.00/250,349.76
  6. Step 6: Final answer
    x = 109,291.89

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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.