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Finding the Fourth Proportional to 376,802.78, 565,292.85 and 124,103.43

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Solution

The fourth proportional to 376,802.78, 565,292.85 and 124,103.43 is: 186,184.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    376,802.78 : 565,292.85 = 124,103.43 : x
  2. Step 2: Convert to fraction form
    376,802.78/565,292.85 = 124,103.43/x
  3. Step 3: Cross multiply
    376,802.78x = 565,292.85 × 124,103.43
  4. Step 4: Simplify right side
    376,802.78x = 70,154,781,639.48
  5. Step 5: Solve for x
    x = 70,154,781,639.48/376,802.78
  6. Step 6: Final answer
    x = 186,184.36

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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.