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Finding the Fourth Proportional to 176,883.60, 265,357.80 and 71,713.20

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Solution

The fourth proportional to 176,883.60, 265,357.80 and 71,713.20 is: 107,582.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    176,883.60 : 265,357.80 = 71,713.20 : x
  2. Step 2: Convert to fraction form
    176,883.60/265,357.80 = 71,713.20/x
  3. Step 3: Cross multiply
    176,883.60x = 265,357.80 × 71,713.20
  4. Step 4: Simplify right side
    176,883.60x = 19,029,656,982.96
  5. Step 5: Solve for x
    x = 19,029,656,982.96/176,883.60
  6. Step 6: Final answer
    x = 107,582.94

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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.