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Finding the Fourth Proportional to 73,871,978.40, 110,807,967.60 and 22,747,354.20

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Solution

The fourth proportional to 73,871,978.40, 110,807,967.60 and 22,747,354.20 is: 34,121,031.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    73,871,978.40 : 110,807,967.60 = 22,747,354.20 : x
  2. Step 2: Convert to fraction form
    73,871,978.40/110,807,967.60 = 22,747,354.20/x
  3. Step 3: Cross multiply
    73,871,978.40x = 110,807,967.60 × 22,747,354.20
  4. Step 4: Simplify right side
    73,871,978.40x = 2,520,588,087,179,323.50
  5. Step 5: Solve for x
    x = 2,520,588,087,179,323.50/73,871,978.40
  6. Step 6: Final answer
    x = 34,121,031.30

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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.