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Finding the Fourth Proportional to 98,556.50, 147,839.51 and 27,479.00

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Solution

The fourth proportional to 98,556.50, 147,839.51 and 27,479.00 is: 41,219.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    98,556.50 : 147,839.51 = 27,479.00 : x
  2. Step 2: Convert to fraction form
    98,556.50/147,839.51 = 27,479.00/x
  3. Step 3: Cross multiply
    98,556.50x = 147,839.51 × 27,479.00
  4. Step 4: Simplify right side
    98,556.50x = 4,062,482,333.59
  5. Step 5: Solve for x
    x = 4,062,482,333.59/98,556.50
  6. Step 6: Final answer
    x = 41,219.83

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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.