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Finding the Fourth Proportional to 356,737.32, 535,161.12 and 120,061.44

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Solution

The fourth proportional to 356,737.32, 535,161.12 and 120,061.44 is: 180,110.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    356,737.32 : 535,161.12 = 120,061.44 : x
  2. Step 2: Convert to fraction form
    356,737.32/535,161.12 = 120,061.44/x
  3. Step 3: Cross multiply
    356,737.32x = 535,161.12 × 120,061.44
  4. Step 4: Simplify right side
    356,737.32x = 64,252,214,699.21
  5. Step 5: Solve for x
    x = 64,252,214,699.21/356,737.32
  6. Step 6: Final answer
    x = 180,110.72

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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.