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Finding the Fourth Proportional to 181,062.68, 249,862.74 and 100,485.52

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Solution

The fourth proportional to 181,062.68, 249,862.74 and 100,485.52 is: 138,667.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    181,062.68 : 249,862.74 = 100,485.52 : x
  2. Step 2: Convert to fraction form
    181,062.68/249,862.74 = 100,485.52/x
  3. Step 3: Cross multiply
    181,062.68x = 249,862.74 × 100,485.52
  4. Step 4: Simplify right side
    181,062.68x = 25,107,587,357.52
  5. Step 5: Solve for x
    x = 25,107,587,357.52/181,062.68
  6. Step 6: Final answer
    x = 138,667.93

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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.