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Finding the Fourth Proportional to 32,257,978.80, 48,386,968.20 and 14,342,074.80

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Solution

The fourth proportional to 32,257,978.80, 48,386,968.20 and 14,342,074.80 is: 21,513,112.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    32,257,978.80 : 48,386,968.20 = 14,342,074.80 : x
  2. Step 2: Convert to fraction form
    32,257,978.80/48,386,968.20 = 14,342,074.80/x
  3. Step 3: Cross multiply
    32,257,978.80x = 48,386,968.20 × 14,342,074.80
  4. Step 4: Simplify right side
    32,257,978.80x = 693,969,517,269,621.50
  5. Step 5: Solve for x
    x = 693,969,517,269,621.50/32,257,978.80
  6. Step 6: Final answer
    x = 21,513,112.20

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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.