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Finding the Fourth Proportional to 13,062,219.30, 18,306,002.70 and 13,062,219.30

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Solution

The fourth proportional to 13,062,219.30, 18,306,002.70 and 13,062,219.30 is: 18,306,002.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,062,219.30 : 18,306,002.70 = 13,062,219.30 : x
  2. Step 2: Convert to fraction form
    13,062,219.30/18,306,002.70 = 13,062,219.30/x
  3. Step 3: Cross multiply
    13,062,219.30x = 18,306,002.70 × 13,062,219.30
  4. Step 4: Simplify right side
    13,062,219.30x = 239,117,021,773,792.12
  5. Step 5: Solve for x
    x = 239,117,021,773,792.12/13,062,219.30
  6. Step 6: Final answer
    x = 18,306,002.70

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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.