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Finding the Fourth Proportional to 113,801.76, 157,022.99 and 65,394.33

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Solution

The fourth proportional to 113,801.76, 157,022.99 and 65,394.33 is: 90,230.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    113,801.76 : 157,022.99 = 65,394.33 : x
  2. Step 2: Convert to fraction form
    113,801.76/157,022.99 = 65,394.33/x
  3. Step 3: Cross multiply
    113,801.76x = 157,022.99 × 65,394.33
  4. Step 4: Simplify right side
    113,801.76x = 10,268,412,898.68
  5. Step 5: Solve for x
    x = 10,268,412,898.68/113,801.76
  6. Step 6: Final answer
    x = 90,230.70

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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.