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Finding the Fourth Proportional to 181,090.71, 249,893.37 and 100,514.34

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Solution

The fourth proportional to 181,090.71, 249,893.37 and 100,514.34 is: 138,703.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    181,090.71 : 249,893.37 = 100,514.34 : x
  2. Step 2: Convert to fraction form
    181,090.71/249,893.37 = 100,514.34/x
  3. Step 3: Cross multiply
    181,090.71x = 249,893.37 × 100,514.34
  4. Step 4: Simplify right side
    181,090.71x = 25,117,867,155.93
  5. Step 5: Solve for x
    x = 25,117,867,155.93/181,090.71
  6. Step 6: Final answer
    x = 138,703.23

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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.