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Finding the Fourth Proportional to 105,599.88, 158,399.76 and 98,601.48

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Solution

The fourth proportional to 105,599.88, 158,399.76 and 98,601.48 is: 147,902.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    105,599.88 : 158,399.76 = 98,601.48 : x
  2. Step 2: Convert to fraction form
    105,599.88/158,399.76 = 98,601.48/x
  3. Step 3: Cross multiply
    105,599.88x = 158,399.76 × 98,601.48
  4. Step 4: Simplify right side
    105,599.88x = 15,618,450,767.64
  5. Step 5: Solve for x
    x = 15,618,450,767.64/105,599.88
  6. Step 6: Final answer
    x = 147,902.16

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.