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Finding the Fourth Proportional to 113,527.56, 156,608.56 and 86,623.44

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Solution

The fourth proportional to 113,527.56, 156,608.56 and 86,623.44 is: 119,494.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    113,527.56 : 156,608.56 = 86,623.44 : x
  2. Step 2: Convert to fraction form
    113,527.56/156,608.56 = 86,623.44/x
  3. Step 3: Cross multiply
    113,527.56x = 156,608.56 × 86,623.44
  4. Step 4: Simplify right side
    113,527.56x = 13,565,972,200.65
  5. Step 5: Solve for x
    x = 13,565,972,200.65/113,527.56
  6. Step 6: Final answer
    x = 119,494.97

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.