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Finding the Fourth Proportional to 233,479.68, 350,229.76 and 85,655.04

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Solution

The fourth proportional to 233,479.68, 350,229.76 and 85,655.04 is: 128,486.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    233,479.68 : 350,229.76 = 85,655.04 : x
  2. Step 2: Convert to fraction form
    233,479.68/350,229.76 = 85,655.04/x
  3. Step 3: Cross multiply
    233,479.68x = 350,229.76 × 85,655.04
  4. Step 4: Simplify right side
    233,479.68x = 29,998,944,101.99
  5. Step 5: Solve for x
    x = 29,998,944,101.99/233,479.68
  6. Step 6: Final answer
    x = 128,486.32

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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.