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Finding the Fourth Proportional to 250,424.88, 375,760.64 and 117,282.14

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Solution

The fourth proportional to 250,424.88, 375,760.64 and 117,282.14 is: 175,980.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    250,424.88 : 375,760.64 = 117,282.14 : x
  2. Step 2: Convert to fraction form
    250,424.88/375,760.64 = 117,282.14/x
  3. Step 3: Cross multiply
    250,424.88x = 375,760.64 × 117,282.14
  4. Step 4: Simplify right side
    250,424.88x = 44,070,011,400.56
  5. Step 5: Solve for x
    x = 44,070,011,400.56/250,424.88
  6. Step 6: Final answer
    x = 175,980.97

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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.