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Finding the Fourth Proportional to 103,273.60, 154,910.40 and 63,875.20

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Solution

The fourth proportional to 103,273.60, 154,910.40 and 63,875.20 is: 95,812.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    103,273.60 : 154,910.40 = 63,875.20 : x
  2. Step 2: Convert to fraction form
    103,273.60/154,910.40 = 63,875.20/x
  3. Step 3: Cross multiply
    103,273.60x = 154,910.40 × 63,875.20
  4. Step 4: Simplify right side
    103,273.60x = 9,894,932,782.08
  5. Step 5: Solve for x
    x = 9,894,932,782.08/103,273.60
  6. Step 6: Final answer
    x = 95,812.80

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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.