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Finding the Fourth Proportional to 48,879,786.60, 73,361,014.20 and 20,146,543.20

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Solution

The fourth proportional to 48,879,786.60, 73,361,014.20 and 20,146,543.20 is: 30,236,851.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    48,879,786.60 : 73,361,014.20 = 20,146,543.20 : x
  2. Step 2: Convert to fraction form
    48,879,786.60/73,361,014.20 = 20,146,543.20/x
  3. Step 3: Cross multiply
    48,879,786.60x = 73,361,014.20 × 20,146,543.20
  4. Step 4: Simplify right side
    48,879,786.60x = 1,477,970,841,776,113.50
  5. Step 5: Solve for x
    x = 1,477,970,841,776,113.50/48,879,786.60
  6. Step 6: Final answer
    x = 30,236,851.36

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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.