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Finding the Fourth Proportional to 175,784.48, 263,689.02 and 87,014.15

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Solution

The fourth proportional to 175,784.48, 263,689.02 and 87,014.15 is: 130,527.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    175,784.48 : 263,689.02 = 87,014.15 : x
  2. Step 2: Convert to fraction form
    175,784.48/263,689.02 = 87,014.15/x
  3. Step 3: Cross multiply
    175,784.48x = 263,689.02 × 87,014.15
  4. Step 4: Simplify right side
    175,784.48x = 22,944,675,610.02
  5. Step 5: Solve for x
    x = 22,944,675,610.02/175,784.48
  6. Step 6: Final answer
    x = 130,527.31

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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.