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Finding the Fourth Proportional to 181,001.58, 249,778.37 and 100,427.37

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Solution

The fourth proportional to 181,001.58, 249,778.37 and 100,427.37 is: 138,587.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    181,001.58 : 249,778.37 = 100,427.37 : x
  2. Step 2: Convert to fraction form
    181,001.58/249,778.37 = 100,427.37/x
  3. Step 3: Cross multiply
    181,001.58x = 249,778.37 × 100,427.37
  4. Step 4: Simplify right side
    181,001.58x = 25,084,584,279.85
  5. Step 5: Solve for x
    x = 25,084,584,279.85/181,001.58
  6. Step 6: Final answer
    x = 138,587.65

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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.