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Finding the Fourth Proportional to 250,079.28, 375,120.60 and 102,335.28

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Solution

The fourth proportional to 250,079.28, 375,120.60 and 102,335.28 is: 153,503.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    250,079.28 : 375,120.60 = 102,335.28 : x
  2. Step 2: Convert to fraction form
    250,079.28/375,120.60 = 102,335.28/x
  3. Step 3: Cross multiply
    250,079.28x = 375,120.60 × 102,335.28
  4. Step 4: Simplify right side
    250,079.28x = 38,388,071,634.77
  5. Step 5: Solve for x
    x = 38,388,071,634.77/250,079.28
  6. Step 6: Final answer
    x = 153,503.61

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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.