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Finding the Fourth Proportional to 104,084.80, 143,642.10 and 63,800.80

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Solution

The fourth proportional to 104,084.80, 143,642.10 and 63,800.80 is: 88,048.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    104,084.80 : 143,642.10 = 63,800.80 : x
  2. Step 2: Convert to fraction form
    104,084.80/143,642.10 = 63,800.80/x
  3. Step 3: Cross multiply
    104,084.80x = 143,642.10 × 63,800.80
  4. Step 4: Simplify right side
    104,084.80x = 9,164,480,893.68
  5. Step 5: Solve for x
    x = 9,164,480,893.68/104,084.80
  6. Step 6: Final answer
    x = 88,048.22

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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.