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Finding the Fourth Proportional to 110,353, 165,562.14 and 63,639.40

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Solution

The fourth proportional to 110,353, 165,562.14 and 63,639.40 is: 95,477.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    110,353 : 165,562.14 = 63,639.40 : x
  2. Step 2: Convert to fraction form
    110,353/165,562.14 = 63,639.40/x
  3. Step 3: Cross multiply
    110,353x = 165,562.14 × 63,639.40
  4. Step 4: Simplify right side
    110,353x = 10,536,275,252.32
  5. Step 5: Solve for x
    x = 10,536,275,252.32/110,353
  6. Step 6: Final answer
    x = 95,477.92

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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.