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Finding the Fourth Proportional to 60,315.54, 90,381.05 and 32,239.59

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Solution

The fourth proportional to 60,315.54, 90,381.05 and 32,239.59 is: 48,310.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    60,315.54 : 90,381.05 = 32,239.59 : x
  2. Step 2: Convert to fraction form
    60,315.54/90,381.05 = 32,239.59/x
  3. Step 3: Cross multiply
    60,315.54x = 90,381.05 × 32,239.59
  4. Step 4: Simplify right side
    60,315.54x = 2,913,847,834.57
  5. Step 5: Solve for x
    x = 2,913,847,834.57/60,315.54
  6. Step 6: Final answer
    x = 48,310.07

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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.