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Finding the Fourth Proportional to 188,576.68, 260,220.36 and 111,040.06

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Solution

The fourth proportional to 188,576.68, 260,220.36 and 111,040.06 is: 153,226.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    188,576.68 : 260,220.36 = 111,040.06 : x
  2. Step 2: Convert to fraction form
    188,576.68/260,220.36 = 111,040.06/x
  3. Step 3: Cross multiply
    188,576.68x = 260,220.36 × 111,040.06
  4. Step 4: Simplify right side
    188,576.68x = 28,894,884,387.62
  5. Step 5: Solve for x
    x = 28,894,884,387.62/188,576.68
  6. Step 6: Final answer
    x = 153,226.18

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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.