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Finding the Fourth Proportional to 229,335.80, 343,323.30 and 170,432.60

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Solution

The fourth proportional to 229,335.80, 343,323.30 and 170,432.60 is: 255,143.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    229,335.80 : 343,323.30 = 170,432.60 : x
  2. Step 2: Convert to fraction form
    229,335.80/343,323.30 = 170,432.60/x
  3. Step 3: Cross multiply
    229,335.80x = 343,323.30 × 170,432.60
  4. Step 4: Simplify right side
    229,335.80x = 58,513,482,659.58
  5. Step 5: Solve for x
    x = 58,513,482,659.58/229,335.80
  6. Step 6: Final answer
    x = 255,143.26

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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.