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Finding the Fourth Proportional to 79,485, 119,282.19 and 32,737.89

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Solution

The fourth proportional to 79,485, 119,282.19 and 32,737.89 is: 49,129.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    79,485 : 119,282.19 = 32,737.89 : x
  2. Step 2: Convert to fraction form
    79,485/119,282.19 = 32,737.89/x
  3. Step 3: Cross multiply
    79,485x = 119,282.19 × 32,737.89
  4. Step 4: Simplify right side
    79,485x = 3,905,047,215.18
  5. Step 5: Solve for x
    x = 3,905,047,215.18/79,485
  6. Step 6: Final answer
    x = 49,129.36

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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.