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Finding the Fourth Proportional to 283,311.48, 424,811.84 and 112,360.04

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Solution

The fourth proportional to 283,311.48, 424,811.84 and 112,360.04 is: 168,478.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    283,311.48 : 424,811.84 = 112,360.04 : x
  2. Step 2: Convert to fraction form
    283,311.48/424,811.84 = 112,360.04/x
  3. Step 3: Cross multiply
    283,311.48x = 424,811.84 × 112,360.04
  4. Step 4: Simplify right side
    283,311.48x = 47,731,872,649.01
  5. Step 5: Solve for x
    x = 47,731,872,649.01/283,311.48
  6. Step 6: Final answer
    x = 168,478.43

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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.