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Finding the Fourth Proportional to 68,898.40, 103,323.30 and 24,526.60

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Solution

The fourth proportional to 68,898.40, 103,323.30 and 24,526.60 is: 36,781.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    68,898.40 : 103,323.30 = 24,526.60 : x
  2. Step 2: Convert to fraction form
    68,898.40/103,323.30 = 24,526.60/x
  3. Step 3: Cross multiply
    68,898.40x = 103,323.30 × 24,526.60
  4. Step 4: Simplify right side
    68,898.40x = 2,534,169,249.78
  5. Step 5: Solve for x
    x = 2,534,169,249.78/68,898.40
  6. Step 6: Final answer
    x = 36,781.25

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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.