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Finding the Fourth Proportional to 12,952,002.05, 18,159,344.95 and 12,952,002.05

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Solution

The fourth proportional to 12,952,002.05, 18,159,344.95 and 12,952,002.05 is: 18,159,344.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,952,002.05 : 18,159,344.95 = 12,952,002.05 : x
  2. Step 2: Convert to fraction form
    12,952,002.05/18,159,344.95 = 12,952,002.05/x
  3. Step 3: Cross multiply
    12,952,002.05x = 18,159,344.95 × 12,952,002.05
  4. Step 4: Simplify right side
    12,952,002.05x = 235,199,873,019,057.16
  5. Step 5: Solve for x
    x = 235,199,873,019,057.16/12,952,002.05
  6. Step 6: Final answer
    x = 18,159,344.95

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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.