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Finding the Fourth Proportional to 62,999,993.60, 94,499,990.40 and 47,694,492.80

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Solution

The fourth proportional to 62,999,993.60, 94,499,990.40 and 47,694,492.80 is: 71,541,739.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    62,999,993.60 : 94,499,990.40 = 47,694,492.80 : x
  2. Step 2: Convert to fraction form
    62,999,993.60/94,499,990.40 = 47,694,492.80/x
  3. Step 3: Cross multiply
    62,999,993.60x = 94,499,990.40 × 47,694,492.80
  4. Step 4: Simplify right side
    62,999,993.60x = 4,507,129,111,732,869
  5. Step 5: Solve for x
    x = 4,507,129,111,732,869/62,999,993.60
  6. Step 6: Final answer
    x = 71,541,739.20

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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.