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Finding the Fourth Proportional to 181,040.68, 249,810.63 and 108,426.56

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Solution

The fourth proportional to 181,040.68, 249,810.63 and 108,426.56 is: 149,613.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    181,040.68 : 249,810.63 = 108,426.56 : x
  2. Step 2: Convert to fraction form
    181,040.68/249,810.63 = 108,426.56/x
  3. Step 3: Cross multiply
    181,040.68x = 249,810.63 × 108,426.56
  4. Step 4: Simplify right side
    181,040.68x = 27,086,106,013.28
  5. Step 5: Solve for x
    x = 27,086,106,013.28/181,040.68
  6. Step 6: Final answer
    x = 149,613.37

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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.