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Finding the Fourth Proportional to 258,101.87, 356,190.69 and 176,601.08

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Solution

The fourth proportional to 258,101.87, 356,190.69 and 176,601.08 is: 243,716.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    258,101.87 : 356,190.69 = 176,601.08 : x
  2. Step 2: Convert to fraction form
    258,101.87/356,190.69 = 176,601.08/x
  3. Step 3: Cross multiply
    258,101.87x = 356,190.69 × 176,601.08
  4. Step 4: Simplify right side
    258,101.87x = 62,903,660,539.95
  5. Step 5: Solve for x
    x = 62,903,660,539.95/258,101.87
  6. Step 6: Final answer
    x = 243,716.41

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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.