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Finding the Fourth Proportional to 175,278.60, 263,034.36 and 64,470.60

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Solution

The fourth proportional to 175,278.60, 263,034.36 and 64,470.60 is: 96,748.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    175,278.60 : 263,034.36 = 64,470.60 : x
  2. Step 2: Convert to fraction form
    175,278.60/263,034.36 = 64,470.60/x
  3. Step 3: Cross multiply
    175,278.60x = 263,034.36 × 64,470.60
  4. Step 4: Simplify right side
    175,278.60x = 16,957,983,009.82
  5. Step 5: Solve for x
    x = 16,957,983,009.82/175,278.60
  6. Step 6: Final answer
    x = 96,748.74

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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.