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Finding the Fourth Proportional to 160,599.60, 221,629.23 and 88,980.75

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Solution

The fourth proportional to 160,599.60, 221,629.23 and 88,980.75 is: 122,794.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    160,599.60 : 221,629.23 = 88,980.75 : x
  2. Step 2: Convert to fraction form
    160,599.60/221,629.23 = 88,980.75/x
  3. Step 3: Cross multiply
    160,599.60x = 221,629.23 × 88,980.75
  4. Step 4: Simplify right side
    160,599.60x = 19,720,735,107.32
  5. Step 5: Solve for x
    x = 19,720,735,107.32/160,599.60
  6. Step 6: Final answer
    x = 122,794.42

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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.