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Finding the Fourth Proportional to 113,801.26, 157,022.30 and 65,393.84

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Solution

The fourth proportional to 113,801.26, 157,022.30 and 65,393.84 is: 90,230.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    113,801.26 : 157,022.30 = 65,393.84 : x
  2. Step 2: Convert to fraction form
    113,801.26/157,022.30 = 65,393.84/x
  3. Step 3: Cross multiply
    113,801.26x = 157,022.30 × 65,393.84
  4. Step 4: Simplify right side
    113,801.26x = 10,268,291,162.63
  5. Step 5: Solve for x
    x = 10,268,291,162.63/113,801.26
  6. Step 6: Final answer
    x = 90,230.03

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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.