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Finding the Fourth Proportional to 162,632.40, 244,052.68 and 87,804.70

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Solution

The fourth proportional to 162,632.40, 244,052.68 and 87,804.70 is: 131,763.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    162,632.40 : 244,052.68 = 87,804.70 : x
  2. Step 2: Convert to fraction form
    162,632.40/244,052.68 = 87,804.70/x
  3. Step 3: Cross multiply
    162,632.40x = 244,052.68 × 87,804.70
  4. Step 4: Simplify right side
    162,632.40x = 21,428,972,351.60
  5. Step 5: Solve for x
    x = 21,428,972,351.60/162,632.40
  6. Step 6: Final answer
    x = 131,763.24

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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.