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Finding the Fourth Proportional to 110,224.94, 151,969.57 and 71,394.23

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Solution

The fourth proportional to 110,224.94, 151,969.57 and 71,394.23 is: 98,432.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    110,224.94 : 151,969.57 = 71,394.23 : x
  2. Step 2: Convert to fraction form
    110,224.94/151,969.57 = 71,394.23/x
  3. Step 3: Cross multiply
    110,224.94x = 151,969.57 × 71,394.23
  4. Step 4: Simplify right side
    110,224.94x = 10,849,750,433.58
  5. Step 5: Solve for x
    x = 10,849,750,433.58/110,224.94
  6. Step 6: Final answer
    x = 98,432.81

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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.