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Finding the Fourth Proportional to 108,535.64, 163,053.77 and 104,051.70

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Solution

The fourth proportional to 108,535.64, 163,053.77 and 104,051.70 is: 156,317.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    108,535.64 : 163,053.77 = 104,051.70 : x
  2. Step 2: Convert to fraction form
    108,535.64/163,053.77 = 104,051.70/x
  3. Step 3: Cross multiply
    108,535.64x = 163,053.77 × 104,051.70
  4. Step 4: Simplify right side
    108,535.64x = 16,966,021,439.65
  5. Step 5: Solve for x
    x = 16,966,021,439.65/108,535.64
  6. Step 6: Final answer
    x = 156,317.52

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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.