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Finding the Fourth Proportional to 167,358.79, 230,955.11 and 90,877.51

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Solution

The fourth proportional to 167,358.79, 230,955.11 and 90,877.51 is: 125,410.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    167,358.79 : 230,955.11 = 90,877.51 : x
  2. Step 2: Convert to fraction form
    167,358.79/230,955.11 = 90,877.51/x
  3. Step 3: Cross multiply
    167,358.79x = 230,955.11 × 90,877.51
  4. Step 4: Simplify right side
    167,358.79x = 20,988,624,163.80
  5. Step 5: Solve for x
    x = 20,988,624,163.80/167,358.79
  6. Step 6: Final answer
    x = 125,410.95

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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.