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Finding the Fourth Proportional to 98,334.99, 135,667.31 and 58,028.58

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Solution

The fourth proportional to 98,334.99, 135,667.31 and 58,028.58 is: 80,058.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    98,334.99 : 135,667.31 = 58,028.58 : x
  2. Step 2: Convert to fraction form
    98,334.99/135,667.31 = 58,028.58/x
  3. Step 3: Cross multiply
    98,334.99x = 135,667.31 × 58,028.58
  4. Step 4: Simplify right side
    98,334.99x = 7,872,581,061.58
  5. Step 5: Solve for x
    x = 7,872,581,061.58/98,334.99
  6. Step 6: Final answer
    x = 80,058.80

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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.