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Finding the Fourth Proportional to 104,150.84, 143,740.86 and 58,830.80

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Solution

The fourth proportional to 104,150.84, 143,740.86 and 58,830.80 is: 81,193.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    104,150.84 : 143,740.86 = 58,830.80 : x
  2. Step 2: Convert to fraction form
    104,150.84/143,740.86 = 58,830.80/x
  3. Step 3: Cross multiply
    104,150.84x = 143,740.86 × 58,830.80
  4. Step 4: Simplify right side
    104,150.84x = 8,456,389,786.49
  5. Step 5: Solve for x
    x = 8,456,389,786.49/104,150.84
  6. Step 6: Final answer
    x = 81,193.68

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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.