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Finding the Fourth Proportional to 60,504,116.40, 90,744,364.80 and 20,114,600.40

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Solution

The fourth proportional to 60,504,116.40, 90,744,364.80 and 20,114,600.40 is: 30,167,974.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    60,504,116.40 : 90,744,364.80 = 20,114,600.40 : x
  2. Step 2: Convert to fraction form
    60,504,116.40/90,744,364.80 = 20,114,600.40/x
  3. Step 3: Cross multiply
    60,504,116.40x = 90,744,364.80 × 20,114,600.40
  4. Step 4: Simplify right side
    60,504,116.40x = 1,825,286,636,503,825.75
  5. Step 5: Solve for x
    x = 1,825,286,636,503,825.75/60,504,116.40
  6. Step 6: Final answer
    x = 30,167,974.43

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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.