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Finding the Fourth Proportional to 181,040.65, 249,836.23 and 100,468.23

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Solution

The fourth proportional to 181,040.65, 249,836.23 and 100,468.23 is: 138,646.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    181,040.65 : 249,836.23 = 100,468.23 : x
  2. Step 2: Convert to fraction form
    181,040.65/249,836.23 = 100,468.23/x
  3. Step 3: Cross multiply
    181,040.65x = 249,836.23 × 100,468.23
  4. Step 4: Simplify right side
    181,040.65x = 25,100,603,006.67
  5. Step 5: Solve for x
    x = 25,100,603,006.67/181,040.65
  6. Step 6: Final answer
    x = 138,646.23

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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.