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Finding the Fourth Proportional to 68,954,835.60, 103,432,253.40 and 23,518,112.40

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Solution

The fourth proportional to 68,954,835.60, 103,432,253.40 and 23,518,112.40 is: 35,277,168.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    68,954,835.60 : 103,432,253.40 = 23,518,112.40 : x
  2. Step 2: Convert to fraction form
    68,954,835.60/103,432,253.40 = 23,518,112.40/x
  3. Step 3: Cross multiply
    68,954,835.60x = 103,432,253.40 × 23,518,112.40
  4. Step 4: Simplify right side
    68,954,835.60x = 2,432,531,361,246,482
  5. Step 5: Solve for x
    x = 2,432,531,361,246,482/68,954,835.60
  6. Step 6: Final answer
    x = 35,277,168.60

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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.