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Finding the Fourth Proportional to 102,652.87, 153,982.55 and 32,532.79

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Solution

The fourth proportional to 102,652.87, 153,982.55 and 32,532.79 is: 48,800.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    102,652.87 : 153,982.55 = 32,532.79 : x
  2. Step 2: Convert to fraction form
    102,652.87/153,982.55 = 32,532.79/x
  3. Step 3: Cross multiply
    102,652.87x = 153,982.55 × 32,532.79
  4. Step 4: Simplify right side
    102,652.87x = 5,009,481,962.81
  5. Step 5: Solve for x
    x = 5,009,481,962.81/102,652.87
  6. Step 6: Final answer
    x = 48,800.21

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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.