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Finding the Fourth Proportional to 176,810.60, 265,232.10 and 71,607.80

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Solution

The fourth proportional to 176,810.60, 265,232.10 and 71,607.80 is: 107,418.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    176,810.60 : 265,232.10 = 71,607.80 : x
  2. Step 2: Convert to fraction form
    176,810.60/265,232.10 = 71,607.80/x
  3. Step 3: Cross multiply
    176,810.60x = 265,232.10 × 71,607.80
  4. Step 4: Simplify right side
    176,810.60x = 18,992,687,170.38
  5. Step 5: Solve for x
    x = 18,992,687,170.38/176,810.60
  6. Step 6: Final answer
    x = 107,418.26

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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.