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Finding the Fourth Proportional to 13,252,532.20, 18,566,142.20 and 13,252,532.20

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Solution

The fourth proportional to 13,252,532.20, 18,566,142.20 and 13,252,532.20 is: 18,566,142.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,252,532.20 : 18,566,142.20 = 13,252,532.20 : x
  2. Step 2: Convert to fraction form
    13,252,532.20/18,566,142.20 = 13,252,532.20/x
  3. Step 3: Cross multiply
    13,252,532.20x = 18,566,142.20 × 13,252,532.20
  4. Step 4: Simplify right side
    13,252,532.20x = 246,048,397,335,278.81
  5. Step 5: Solve for x
    x = 246,048,397,335,278.81/13,252,532.20
  6. Step 6: Final answer
    x = 18,566,142.20

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Why These Related Problems?

These problems maintain the same ratio (1.40) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.