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Finding the Fourth Proportional to 104,083.80, 143,640.72 and 63,799.80

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Solution

The fourth proportional to 104,083.80, 143,640.72 and 63,799.80 is: 88,046.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    104,083.80 : 143,640.72 = 63,799.80 : x
  2. Step 2: Convert to fraction form
    104,083.80/143,640.72 = 63,799.80/x
  3. Step 3: Cross multiply
    104,083.80x = 143,640.72 × 63,799.80
  4. Step 4: Simplify right side
    104,083.80x = 9,164,249,207.86
  5. Step 5: Solve for x
    x = 9,164,249,207.86/104,083.80
  6. Step 6: Final answer
    x = 88,046.84

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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.