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Finding the Fourth Proportional to 45,937,278.03, 68,902,301.19 and 20,028,967.95

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Solution

The fourth proportional to 45,937,278.03, 68,902,301.19 and 20,028,967.95 is: 30,041,875.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,937,278.03 : 68,902,301.19 = 20,028,967.95 : x
  2. Step 2: Convert to fraction form
    45,937,278.03/68,902,301.19 = 20,028,967.95/x
  3. Step 3: Cross multiply
    45,937,278.03x = 68,902,301.19 × 20,028,967.95
  4. Step 4: Simplify right side
    45,937,278.03x = 1,380,041,982,215,756.75
  5. Step 5: Solve for x
    x = 1,380,041,982,215,756.75/45,937,278.03
  6. Step 6: Final answer
    x = 30,041,875.39

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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.