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Finding the Fourth Proportional to 44,295,978.80, 66,443,968.20 and 27,201,220.40

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Solution

The fourth proportional to 44,295,978.80, 66,443,968.20 and 27,201,220.40 is: 40,801,830.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    44,295,978.80 : 66,443,968.20 = 27,201,220.40 : x
  2. Step 2: Convert to fraction form
    44,295,978.80/66,443,968.20 = 27,201,220.40/x
  3. Step 3: Cross multiply
    44,295,978.80x = 66,443,968.20 × 27,201,220.40
  4. Step 4: Simplify right side
    44,295,978.80x = 1,807,357,023,258,791.25
  5. Step 5: Solve for x
    x = 1,807,357,023,258,791.25/44,295,978.80
  6. Step 6: Final answer
    x = 40,801,830.60

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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.