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Finding the Fourth Proportional to 48,899,638.80, 73,349,458.20 and 43,797,805.20

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Solution

The fourth proportional to 48,899,638.80, 73,349,458.20 and 43,797,805.20 is: 65,696,707.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    48,899,638.80 : 73,349,458.20 = 43,797,805.20 : x
  2. Step 2: Convert to fraction form
    48,899,638.80/73,349,458.20 = 43,797,805.20/x
  3. Step 3: Cross multiply
    48,899,638.80x = 73,349,458.20 × 43,797,805.20
  4. Step 4: Simplify right side
    48,899,638.80x = 3,212,545,281,769,143
  5. Step 5: Solve for x
    x = 3,212,545,281,769,143/48,899,638.80
  6. Step 6: Final answer
    x = 65,696,707.80

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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.