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Finding the Fourth Proportional to 71,598,016.80, 107,453,012.40 and 33,264,280.80

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Solution

The fourth proportional to 71,598,016.80, 107,453,012.40 and 33,264,280.80 is: 49,922,432.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    71,598,016.80 : 107,453,012.40 = 33,264,280.80 : x
  2. Step 2: Convert to fraction form
    71,598,016.80/107,453,012.40 = 33,264,280.80/x
  3. Step 3: Cross multiply
    71,598,016.80x = 107,453,012.40 × 33,264,280.80
  4. Step 4: Simplify right side
    71,598,016.80x = 3,574,347,177,279,482
  5. Step 5: Solve for x
    x = 3,574,347,177,279,482/71,598,016.80
  6. Step 6: Final answer
    x = 49,922,432.73

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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.