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Finding the Fourth Proportional to 61,041,858.40, 91,562,787.60 and 44,779,763.80

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Solution

The fourth proportional to 61,041,858.40, 91,562,787.60 and 44,779,763.80 is: 67,169,645.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    61,041,858.40 : 91,562,787.60 = 44,779,763.80 : x
  2. Step 2: Convert to fraction form
    61,041,858.40/91,562,787.60 = 44,779,763.80/x
  3. Step 3: Cross multiply
    61,041,858.40x = 91,562,787.60 × 44,779,763.80
  4. Step 4: Simplify right side
    61,041,858.40x = 4,100,160,001,597,568.50
  5. Step 5: Solve for x
    x = 4,100,160,001,597,568.50/61,041,858.40
  6. Step 6: Final answer
    x = 67,169,645.70

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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.