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Finding the Fourth Proportional to 250,657.66, 376,008.65 and 70,744.69

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Solution

The fourth proportional to 250,657.66, 376,008.65 and 70,744.69 is: 106,123.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    250,657.66 : 376,008.65 = 70,744.69 : x
  2. Step 2: Convert to fraction form
    250,657.66/376,008.65 = 70,744.69/x
  3. Step 3: Cross multiply
    250,657.66x = 376,008.65 × 70,744.69
  4. Step 4: Simplify right side
    250,657.66x = 26,600,613,147.80
  5. Step 5: Solve for x
    x = 26,600,613,147.80/250,657.66
  6. Step 6: Final answer
    x = 106,123.28

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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.