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Finding the Fourth Proportional to 124,141.92, 185,853.81 and 111,322.45

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Solution

The fourth proportional to 124,141.92, 185,853.81 and 111,322.45 is: 166,661.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    124,141.92 : 185,853.81 = 111,322.45 : x
  2. Step 2: Convert to fraction form
    124,141.92/185,853.81 = 111,322.45/x
  3. Step 3: Cross multiply
    124,141.92x = 185,853.81 × 111,322.45
  4. Step 4: Simplify right side
    124,141.92x = 20,689,701,471.03
  5. Step 5: Solve for x
    x = 20,689,701,471.03/124,141.92
  6. Step 6: Final answer
    x = 166,661.68

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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.