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Finding the Fourth Proportional to 181,148.91, 249,993.32 and 100,576.44

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Solution

The fourth proportional to 181,148.91, 249,993.32 and 100,576.44 is: 138,799.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    181,148.91 : 249,993.32 = 100,576.44 : x
  2. Step 2: Convert to fraction form
    181,148.91/249,993.32 = 100,576.44/x
  3. Step 3: Cross multiply
    181,148.91x = 249,993.32 × 100,576.44
  4. Step 4: Simplify right side
    181,148.91x = 25,143,437,646.50
  5. Step 5: Solve for x
    x = 25,143,437,646.50/181,148.91
  6. Step 6: Final answer
    x = 138,799.83

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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.