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Finding the Fourth Proportional to 104,169.52, 143,746.47 and 61,150.76

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Solution

The fourth proportional to 104,169.52, 143,746.47 and 61,150.76 is: 84,383.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    104,169.52 : 143,746.47 = 61,150.76 : x
  2. Step 2: Convert to fraction form
    104,169.52/143,746.47 = 61,150.76/x
  3. Step 3: Cross multiply
    104,169.52x = 143,746.47 × 61,150.76
  4. Step 4: Simplify right side
    104,169.52x = 8,790,205,475.83
  5. Step 5: Solve for x
    x = 8,790,205,475.83/104,169.52
  6. Step 6: Final answer
    x = 84,383.66

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.