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Finding the Fourth Proportional to 102,563.40, 153,816.30 and 32,464.20

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Solution

The fourth proportional to 102,563.40, 153,816.30 and 32,464.20 is: 48,687.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    102,563.40 : 153,816.30 = 32,464.20 : x
  2. Step 2: Convert to fraction form
    102,563.40/153,816.30 = 32,464.20/x
  3. Step 3: Cross multiply
    102,563.40x = 153,816.30 × 32,464.20
  4. Step 4: Simplify right side
    102,563.40x = 4,993,523,126.46
  5. Step 5: Solve for x
    x = 4,993,523,126.46/102,563.40
  6. Step 6: Final answer
    x = 48,687.18

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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.