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Finding the Fourth Proportional to 101,067.60, 151,601.40 and 89,792.40

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Solution

The fourth proportional to 101,067.60, 151,601.40 and 89,792.40 is: 134,688.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    101,067.60 : 151,601.40 = 89,792.40 : x
  2. Step 2: Convert to fraction form
    101,067.60/151,601.40 = 89,792.40/x
  3. Step 3: Cross multiply
    101,067.60x = 151,601.40 × 89,792.40
  4. Step 4: Simplify right side
    101,067.60x = 13,612,653,549.36
  5. Step 5: Solve for x
    x = 13,612,653,549.36/101,067.60
  6. Step 6: Final answer
    x = 134,688.60

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.