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Finding the Fourth Proportional to 65,835,350.40, 98,809,012.80 and 29,499,657.60

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Solution

The fourth proportional to 65,835,350.40, 98,809,012.80 and 29,499,657.60 is: 44,274,573.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    65,835,350.40 : 98,809,012.80 = 29,499,657.60 : x
  2. Step 2: Convert to fraction form
    65,835,350.40/98,809,012.80 = 29,499,657.60/x
  3. Step 3: Cross multiply
    65,835,350.40x = 98,809,012.80 × 29,499,657.60
  4. Step 4: Simplify right side
    65,835,350.40x = 2,914,832,045,394,017.50
  5. Step 5: Solve for x
    x = 2,914,832,045,394,017.50/65,835,350.40
  6. Step 6: Final answer
    x = 44,274,573.28

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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.