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Finding the Fourth Proportional to 376,722.63, 565,021.17 and 124,005.87

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Solution

The fourth proportional to 376,722.63, 565,021.17 and 124,005.87 is: 185,988.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    376,722.63 : 565,021.17 = 124,005.87 : x
  2. Step 2: Convert to fraction form
    376,722.63/565,021.17 = 124,005.87/x
  3. Step 3: Cross multiply
    376,722.63x = 565,021.17 × 124,005.87
  4. Step 4: Simplify right side
    376,722.63x = 70,065,941,754.27
  5. Step 5: Solve for x
    x = 70,065,941,754.27/376,722.63
  6. Step 6: Final answer
    x = 185,988.14

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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.