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Finding the Fourth Proportional to 10,080,458.08, 15,099,691.91 and 10,080,458.08

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Solution

The fourth proportional to 10,080,458.08, 15,099,691.91 and 10,080,458.08 is: 15,099,691.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,080,458.08 : 15,099,691.91 = 10,080,458.08 : x
  2. Step 2: Convert to fraction form
    10,080,458.08/15,099,691.91 = 10,080,458.08/x
  3. Step 3: Cross multiply
    10,080,458.08x = 15,099,691.91 × 10,080,458.08
  4. Step 4: Simplify right side
    10,080,458.08x = 152,211,811,269,372.81
  5. Step 5: Solve for x
    x = 152,211,811,269,372.81/10,080,458.08
  6. Step 6: Final answer
    x = 15,099,691.91

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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.