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Finding the Fourth Proportional to 60,482,940.60, 90,724,410.90 and 36,296,470.20

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Solution

The fourth proportional to 60,482,940.60, 90,724,410.90 and 36,296,470.20 is: 54,444,705.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    60,482,940.60 : 90,724,410.90 = 36,296,470.20 : x
  2. Step 2: Convert to fraction form
    60,482,940.60/90,724,410.90 = 36,296,470.20/x
  3. Step 3: Cross multiply
    60,482,940.60x = 90,724,410.90 × 36,296,470.20
  4. Step 4: Simplify right side
    60,482,940.60x = 3,292,975,876,644,405.50
  5. Step 5: Solve for x
    x = 3,292,975,876,644,405.50/60,482,940.60
  6. Step 6: Final answer
    x = 54,444,705.30

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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.