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Finding the Fourth Proportional to 132,893,643.15, 199,340,464.73 and 132,893,643.15

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Solution

The fourth proportional to 132,893,643.15, 199,340,464.73 and 132,893,643.15 is: 199,340,464.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    132,893,643.15 : 199,340,464.73 = 132,893,643.15 : x
  2. Step 2: Convert to fraction form
    132,893,643.15/199,340,464.73 = 132,893,643.15/x
  3. Step 3: Cross multiply
    132,893,643.15x = 199,340,464.73 × 132,893,643.15
  4. Step 4: Simplify right side
    132,893,643.15x = 26,491,080,584,519,312
  5. Step 5: Solve for x
    x = 26,491,080,584,519,312/132,893,643.15
  6. Step 6: Final answer
    x = 199,340,464.73

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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.