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Finding the Fourth Proportional to 376,859.43, 565,167.65 and 124,079.73

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Solution

The fourth proportional to 376,859.43, 565,167.65 and 124,079.73 is: 186,079.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    376,859.43 : 565,167.65 = 124,079.73 : x
  2. Step 2: Convert to fraction form
    376,859.43/565,167.65 = 124,079.73/x
  3. Step 3: Cross multiply
    376,859.43x = 565,167.65 × 124,079.73
  4. Step 4: Simplify right side
    376,859.43x = 70,125,849,416.73
  5. Step 5: Solve for x
    x = 70,125,849,416.73/376,859.43
  6. Step 6: Final answer
    x = 186,079.59

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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.