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Finding the Fourth Proportional to 121,340.88, 167,450.64 and 67,624.80

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Solution

The fourth proportional to 121,340.88, 167,450.64 and 67,624.80 is: 93,322.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    121,340.88 : 167,450.64 = 67,624.80 : x
  2. Step 2: Convert to fraction form
    121,340.88/167,450.64 = 67,624.80/x
  3. Step 3: Cross multiply
    121,340.88x = 167,450.64 × 67,624.80
  4. Step 4: Simplify right side
    121,340.88x = 11,323,816,039.87
  5. Step 5: Solve for x
    x = 11,323,816,039.87/121,340.88
  6. Step 6: Final answer
    x = 93,322.35

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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.