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Finding the Fourth Proportional to 48,388,528.80, 72,582,793.20 and 43,461,655.20

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Solution

The fourth proportional to 48,388,528.80, 72,582,793.20 and 43,461,655.20 is: 65,192,482.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    48,388,528.80 : 72,582,793.20 = 43,461,655.20 : x
  2. Step 2: Convert to fraction form
    48,388,528.80/72,582,793.20 = 43,461,655.20/x
  3. Step 3: Cross multiply
    48,388,528.80x = 72,582,793.20 × 43,461,655.20
  4. Step 4: Simplify right side
    48,388,528.80x = 3,154,568,331,511,305
  5. Step 5: Solve for x
    x = 3,154,568,331,511,305/48,388,528.80
  6. Step 6: Final answer
    x = 65,192,482.80

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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.