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Finding the Fourth Proportional to 60,197,569.20, 90,296,353.80 and 56,166,490.80

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Solution

The fourth proportional to 60,197,569.20, 90,296,353.80 and 56,166,490.80 is: 84,249,736.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    60,197,569.20 : 90,296,353.80 = 56,166,490.80 : x
  2. Step 2: Convert to fraction form
    60,197,569.20/90,296,353.80 = 56,166,490.80/x
  3. Step 3: Cross multiply
    60,197,569.20x = 90,296,353.80 × 56,166,490.80
  4. Step 4: Simplify right side
    60,197,569.20x = 5,071,629,324,981,245
  5. Step 5: Solve for x
    x = 5,071,629,324,981,245/60,197,569.20
  6. Step 6: Final answer
    x = 84,249,736.20

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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.