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Finding the Fourth Proportional to 34,668,086.80, 52,002,130.20 and 17,661,974.80

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Solution

The fourth proportional to 34,668,086.80, 52,002,130.20 and 17,661,974.80 is: 26,492,962.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    34,668,086.80 : 52,002,130.20 = 17,661,974.80 : x
  2. Step 2: Convert to fraction form
    34,668,086.80/52,002,130.20 = 17,661,974.80/x
  3. Step 3: Cross multiply
    34,668,086.80x = 52,002,130.20 × 17,661,974.80
  4. Step 4: Simplify right side
    34,668,086.80x = 918,460,313,138,719
  5. Step 5: Solve for x
    x = 918,460,313,138,719/34,668,086.80
  6. Step 6: Final answer
    x = 26,492,962.20

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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.