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Finding the Fourth Proportional to 356,737.18, 535,161.12 and 120,061.39

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Solution

The fourth proportional to 356,737.18, 535,161.12 and 120,061.39 is: 180,110.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    356,737.18 : 535,161.12 = 120,061.39 : x
  2. Step 2: Convert to fraction form
    356,737.18/535,161.12 = 120,061.39/x
  3. Step 3: Cross multiply
    356,737.18x = 535,161.12 × 120,061.39
  4. Step 4: Simplify right side
    356,737.18x = 64,252,187,941.16
  5. Step 5: Solve for x
    x = 64,252,187,941.16/356,737.18
  6. Step 6: Final answer
    x = 180,110.71

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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.