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Finding the Fourth Proportional to 68,410,985.20, 102,473,399.40 and 32,050,409.20

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Solution

The fourth proportional to 68,410,985.20, 102,473,399.40 and 32,050,409.20 is: 48,008,581.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    68,410,985.20 : 102,473,399.40 = 32,050,409.20 : x
  2. Step 2: Convert to fraction form
    68,410,985.20/102,473,399.40 = 32,050,409.20/x
  3. Step 3: Cross multiply
    68,410,985.20x = 102,473,399.40 × 32,050,409.20
  4. Step 4: Simplify right side
    68,410,985.20x = 3,284,314,382,885,034.50
  5. Step 5: Solve for x
    x = 3,284,314,382,885,034.50/68,410,985.20
  6. Step 6: Final answer
    x = 48,008,581.86

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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.