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Finding the Fourth Proportional to 229,473.20, 344,209.80 and 176,985.20

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Solution

The fourth proportional to 229,473.20, 344,209.80 and 176,985.20 is: 265,477.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    229,473.20 : 344,209.80 = 176,985.20 : x
  2. Step 2: Convert to fraction form
    229,473.20/344,209.80 = 176,985.20/x
  3. Step 3: Cross multiply
    229,473.20x = 344,209.80 × 176,985.20
  4. Step 4: Simplify right side
    229,473.20x = 60,920,040,294.96
  5. Step 5: Solve for x
    x = 60,920,040,294.96/229,473.20
  6. Step 6: Final answer
    x = 265,477.80

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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.