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Finding the Fourth Proportional to 60,461,650.80, 90,499,582.80 and 47,707,066.80

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Solution

The fourth proportional to 60,461,650.80, 90,499,582.80 and 47,707,066.80 is: 71,408,398.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    60,461,650.80 : 90,499,582.80 = 47,707,066.80 : x
  2. Step 2: Convert to fraction form
    60,461,650.80/90,499,582.80 = 47,707,066.80/x
  3. Step 3: Cross multiply
    60,461,650.80x = 90,499,582.80 × 47,707,066.80
  4. Step 4: Simplify right side
    60,461,650.80x = 4,317,469,642,011,730.50
  5. Step 5: Solve for x
    x = 4,317,469,642,011,730.50/60,461,650.80
  6. Step 6: Final answer
    x = 71,408,398.30

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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.