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Finding the Fourth Proportional to 146,779,803.20, 220,169,704.80 and 44,543,676.80

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Solution

The fourth proportional to 146,779,803.20, 220,169,704.80 and 44,543,676.80 is: 66,815,515.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    146,779,803.20 : 220,169,704.80 = 44,543,676.80 : x
  2. Step 2: Convert to fraction form
    146,779,803.20/220,169,704.80 = 44,543,676.80/x
  3. Step 3: Cross multiply
    146,779,803.20x = 220,169,704.80 × 44,543,676.80
  4. Step 4: Simplify right side
    146,779,803.20x = 9,807,168,171,762,608
  5. Step 5: Solve for x
    x = 9,807,168,171,762,608/146,779,803.20
  6. Step 6: Final answer
    x = 66,815,515.20

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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.