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Finding the Fourth Proportional to 113,797.60, 157,015.56 and 66,023.28

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Solution

The fourth proportional to 113,797.60, 157,015.56 and 66,023.28 is: 91,097.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    113,797.60 : 157,015.56 = 66,023.28 : x
  2. Step 2: Convert to fraction form
    113,797.60/157,015.56 = 66,023.28/x
  3. Step 3: Cross multiply
    113,797.60x = 157,015.56 × 66,023.28
  4. Step 4: Simplify right side
    113,797.60x = 10,366,682,282.24
  5. Step 5: Solve for x
    x = 10,366,682,282.24/113,797.60
  6. Step 6: Final answer
    x = 91,097.55

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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.