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Finding the Fourth Proportional to 293,125.68, 439,720.38 and 93,399.12

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Solution

The fourth proportional to 293,125.68, 439,720.38 and 93,399.12 is: 140,108.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    293,125.68 : 439,720.38 = 93,399.12 : x
  2. Step 2: Convert to fraction form
    293,125.68/439,720.38 = 93,399.12/x
  3. Step 3: Cross multiply
    293,125.68x = 439,720.38 × 93,399.12
  4. Step 4: Simplify right side
    293,125.68x = 41,069,496,538.07
  5. Step 5: Solve for x
    x = 41,069,496,538.07/293,125.68
  6. Step 6: Final answer
    x = 140,108.83

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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.