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Finding the Fourth Proportional to 70,885,837.92, 106,328,756.88 and 17,033,149.92

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Solution

The fourth proportional to 70,885,837.92, 106,328,756.88 and 17,033,149.92 is: 25,549,724.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,885,837.92 : 106,328,756.88 = 17,033,149.92 : x
  2. Step 2: Convert to fraction form
    70,885,837.92/106,328,756.88 = 17,033,149.92/x
  3. Step 3: Cross multiply
    70,885,837.92x = 106,328,756.88 × 17,033,149.92
  4. Step 4: Simplify right side
    70,885,837.92x = 1,811,113,656,744,271.50
  5. Step 5: Solve for x
    x = 1,811,113,656,744,271.50/70,885,837.92
  6. Step 6: Final answer
    x = 25,549,724.88

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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.