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Finding the Fourth Proportional to 68,281,657.60, 102,422,486.40 and 63,746,694.40

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Solution

The fourth proportional to 68,281,657.60, 102,422,486.40 and 63,746,694.40 is: 95,620,041.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    68,281,657.60 : 102,422,486.40 = 63,746,694.40 : x
  2. Step 2: Convert to fraction form
    68,281,657.60/102,422,486.40 = 63,746,694.40/x
  3. Step 3: Cross multiply
    68,281,657.60x = 102,422,486.40 × 63,746,694.40
  4. Step 4: Simplify right side
    68,281,657.60x = 6,529,094,940,228,956
  5. Step 5: Solve for x
    x = 6,529,094,940,228,956/68,281,657.60
  6. Step 6: Final answer
    x = 95,620,041.60

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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.