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Finding the Fourth Proportional to 60,662,960.60, 90,994,440.90 and 19,722,320.60

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Solution

The fourth proportional to 60,662,960.60, 90,994,440.90 and 19,722,320.60 is: 29,583,480.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    60,662,960.60 : 90,994,440.90 = 19,722,320.60 : x
  2. Step 2: Convert to fraction form
    60,662,960.60/90,994,440.90 = 19,722,320.60/x
  3. Step 3: Cross multiply
    60,662,960.60x = 90,994,440.90 × 19,722,320.60
  4. Step 4: Simplify right side
    60,662,960.60x = 1,794,621,536,247,552.75
  5. Step 5: Solve for x
    x = 1,794,621,536,247,552.75/60,662,960.60
  6. Step 6: Final answer
    x = 29,583,480.90

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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.