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Finding the Fourth Proportional to 104,661.66, 144,436.88 and 59,958.30

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Solution

The fourth proportional to 104,661.66, 144,436.88 and 59,958.30 is: 82,744.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    104,661.66 : 144,436.88 = 59,958.30 : x
  2. Step 2: Convert to fraction form
    104,661.66/144,436.88 = 59,958.30/x
  3. Step 3: Cross multiply
    104,661.66x = 144,436.88 × 59,958.30
  4. Step 4: Simplify right side
    104,661.66x = 8,660,189,782.10
  5. Step 5: Solve for x
    x = 8,660,189,782.10/104,661.66
  6. Step 6: Final answer
    x = 82,744.62

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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.