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Finding the Fourth Proportional to 165,116.01, 227,860.97 and 93,509.97

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Solution

The fourth proportional to 165,116.01, 227,860.97 and 93,509.97 is: 129,044.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    165,116.01 : 227,860.97 = 93,509.97 : x
  2. Step 2: Convert to fraction form
    165,116.01/227,860.97 = 93,509.97/x
  3. Step 3: Cross multiply
    165,116.01x = 227,860.97 × 93,509.97
  4. Step 4: Simplify right side
    165,116.01x = 21,307,272,468.87
  5. Step 5: Solve for x
    x = 21,307,272,468.87/165,116.01
  6. Step 6: Final answer
    x = 129,044.25

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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.