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Finding the Fourth Proportional to 250,424.64, 375,760.29 and 117,281.91

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Solution

The fourth proportional to 250,424.64, 375,760.29 and 117,281.91 is: 175,980.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    250,424.64 : 375,760.29 = 117,281.91 : x
  2. Step 2: Convert to fraction form
    250,424.64/375,760.29 = 117,281.91/x
  3. Step 3: Cross multiply
    250,424.64x = 375,760.29 × 117,281.91
  4. Step 4: Simplify right side
    250,424.64x = 44,069,882,048.14
  5. Step 5: Solve for x
    x = 44,069,882,048.14/250,424.64
  6. Step 6: Final answer
    x = 175,980.61

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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.