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Finding the Fourth Proportional to 229,042.60, 315,853.68 and 174,733.72

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Solution

The fourth proportional to 229,042.60, 315,853.68 and 174,733.72 is: 240,960.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    229,042.60 : 315,853.68 = 174,733.72 : x
  2. Step 2: Convert to fraction form
    229,042.60/315,853.68 = 174,733.72/x
  3. Step 3: Cross multiply
    229,042.60x = 315,853.68 × 174,733.72
  4. Step 4: Simplify right side
    229,042.60x = 55,190,288,482.09
  5. Step 5: Solve for x
    x = 55,190,288,482.09/229,042.60
  6. Step 6: Final answer
    x = 240,960.80

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.