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Finding the Fourth Proportional to 73,667.92, 101,661.66 and 40,133.92

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Solution

The fourth proportional to 73,667.92, 101,661.66 and 40,133.92 is: 55,384.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    73,667.92 : 101,661.66 = 40,133.92 : x
  2. Step 2: Convert to fraction form
    73,667.92/101,661.66 = 40,133.92/x
  3. Step 3: Cross multiply
    73,667.92x = 101,661.66 × 40,133.92
  4. Step 4: Simplify right side
    73,667.92x = 4,080,080,929.51
  5. Step 5: Solve for x
    x = 4,080,080,929.51/73,667.92
  6. Step 6: Final answer
    x = 55,384.77

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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.