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Finding the Fourth Proportional to 40,103,375.70, 60,155,063.55 and 9,811,238.70

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Solution

The fourth proportional to 40,103,375.70, 60,155,063.55 and 9,811,238.70 is: 14,716,858.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,103,375.70 : 60,155,063.55 = 9,811,238.70 : x
  2. Step 2: Convert to fraction form
    40,103,375.70/60,155,063.55 = 9,811,238.70/x
  3. Step 3: Cross multiply
    40,103,375.70x = 60,155,063.55 × 9,811,238.70
  4. Step 4: Simplify right side
    40,103,375.70x = 590,195,687,502,719.25
  5. Step 5: Solve for x
    x = 590,195,687,502,719.25/40,103,375.70
  6. Step 6: Final answer
    x = 14,716,858.05

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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.