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Finding the Fourth Proportional to 60,481,989.60, 90,722,984.40 and 22,144,754.40

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Solution

The fourth proportional to 60,481,989.60, 90,722,984.40 and 22,144,754.40 is: 33,217,131.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    60,481,989.60 : 90,722,984.40 = 22,144,754.40 : x
  2. Step 2: Convert to fraction form
    60,481,989.60/90,722,984.40 = 22,144,754.40/x
  3. Step 3: Cross multiply
    60,481,989.60x = 90,722,984.40 × 22,144,754.40
  4. Step 4: Simplify right side
    60,481,989.60x = 2,009,038,207,973,031.25
  5. Step 5: Solve for x
    x = 2,009,038,207,973,031.25/60,481,989.60
  6. Step 6: Final answer
    x = 33,217,131.60

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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.