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Finding the Fourth Proportional to 176,876.60, 265,347.30 and 71,706.20

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Solution

The fourth proportional to 176,876.60, 265,347.30 and 71,706.20 is: 107,572.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    176,876.60 : 265,347.30 = 71,706.20 : x
  2. Step 2: Convert to fraction form
    176,876.60/265,347.30 = 71,706.20/x
  3. Step 3: Cross multiply
    176,876.60x = 265,347.30 × 71,706.20
  4. Step 4: Simplify right side
    176,876.60x = 19,027,046,563.26
  5. Step 5: Solve for x
    x = 19,027,046,563.26/176,876.60
  6. Step 6: Final answer
    x = 107,572.44

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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.