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Finding the Fourth Proportional to 121,064.01, 167,065.83 and 67,347.87

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Solution

The fourth proportional to 121,064.01, 167,065.83 and 67,347.87 is: 92,938.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    121,064.01 : 167,065.83 = 67,347.87 : x
  2. Step 2: Convert to fraction form
    121,064.01/167,065.83 = 67,347.87/x
  3. Step 3: Cross multiply
    121,064.01x = 167,065.83 × 67,347.87
  4. Step 4: Simplify right side
    121,064.01x = 11,251,527,800.28
  5. Step 5: Solve for x
    x = 11,251,527,800.28/121,064.01
  6. Step 6: Final answer
    x = 92,938.67

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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.