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Finding the Fourth Proportional to 228,909.80, 343,359.30 and 62,697.80

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Solution

The fourth proportional to 228,909.80, 343,359.30 and 62,697.80 is: 94,045.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    228,909.80 : 343,359.30 = 62,697.80 : x
  2. Step 2: Convert to fraction form
    228,909.80/343,359.30 = 62,697.80/x
  3. Step 3: Cross multiply
    228,909.80x = 343,359.30 × 62,697.80
  4. Step 4: Simplify right side
    228,909.80x = 21,527,872,719.54
  5. Step 5: Solve for x
    x = 21,527,872,719.54/228,909.80
  6. Step 6: Final answer
    x = 94,045.22

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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.