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Finding the Fourth Proportional to 112,269.61, 154,928.19 and 66,924.22

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Solution

The fourth proportional to 112,269.61, 154,928.19 and 66,924.22 is: 92,353.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    112,269.61 : 154,928.19 = 66,924.22 : x
  2. Step 2: Convert to fraction form
    112,269.61/154,928.19 = 66,924.22/x
  3. Step 3: Cross multiply
    112,269.61x = 154,928.19 × 66,924.22
  4. Step 4: Simplify right side
    112,269.61x = 10,368,447,497.12
  5. Step 5: Solve for x
    x = 10,368,447,497.12/112,269.61
  6. Step 6: Final answer
    x = 92,353.11

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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.