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Finding the Fourth Proportional to 110,511.64, 165,768.61 and 88,465.16

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Solution

The fourth proportional to 110,511.64, 165,768.61 and 88,465.16 is: 132,698.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    110,511.64 : 165,768.61 = 88,465.16 : x
  2. Step 2: Convert to fraction form
    110,511.64/165,768.61 = 88,465.16/x
  3. Step 3: Cross multiply
    110,511.64x = 165,768.61 × 88,465.16
  4. Step 4: Simplify right side
    110,511.64x = 14,664,746,606.63
  5. Step 5: Solve for x
    x = 14,664,746,606.63/110,511.64
  6. Step 6: Final answer
    x = 132,698.66

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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.