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Finding the Fourth Proportional to 104,976,993.60, 157,465,490.40 and 64,162,324.80

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Solution

The fourth proportional to 104,976,993.60, 157,465,490.40 and 64,162,324.80 is: 96,243,487.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    104,976,993.60 : 157,465,490.40 = 64,162,324.80 : x
  2. Step 2: Convert to fraction form
    104,976,993.60/157,465,490.40 = 64,162,324.80/x
  3. Step 3: Cross multiply
    104,976,993.60x = 157,465,490.40 × 64,162,324.80
  4. Step 4: Simplify right side
    104,976,993.60x = 10,103,351,939,836,082
  5. Step 5: Solve for x
    x = 10,103,351,939,836,082/104,976,993.60
  6. Step 6: Final answer
    x = 96,243,487.20

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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.