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Finding the Fourth Proportional to 44,298,978.30, 66,448,467.45 and 40,260,026.70

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Solution

The fourth proportional to 44,298,978.30, 66,448,467.45 and 40,260,026.70 is: 60,390,040.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    44,298,978.30 : 66,448,467.45 = 40,260,026.70 : x
  2. Step 2: Convert to fraction form
    44,298,978.30/66,448,467.45 = 40,260,026.70/x
  3. Step 3: Cross multiply
    44,298,978.30x = 66,448,467.45 × 40,260,026.70
  4. Step 4: Simplify right side
    44,298,978.30x = 2,675,217,073,711,081
  5. Step 5: Solve for x
    x = 2,675,217,073,711,081/44,298,978.30
  6. Step 6: Final answer
    x = 60,390,040.05

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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.