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Finding the Fourth Proportional to 100,357.92, 150,541.20 and 95,580

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Solution

The fourth proportional to 100,357.92, 150,541.20 and 95,580 is: 143,374.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    100,357.92 : 150,541.20 = 95,580 : x
  2. Step 2: Convert to fraction form
    100,357.92/150,541.20 = 95,580/x
  3. Step 3: Cross multiply
    100,357.92x = 150,541.20 × 95,580
  4. Step 4: Simplify right side
    100,357.92x = 14,388,727,896.00
  5. Step 5: Solve for x
    x = 14,388,727,896.00/100,357.92
  6. Step 6: Final answer
    x = 143,374.11

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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.