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Finding the Fourth Proportional to 121,313.25, 167,410.01 and 67,597.11

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Solution

The fourth proportional to 121,313.25, 167,410.01 and 67,597.11 is: 93,282.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    121,313.25 : 167,410.01 = 67,597.11 : x
  2. Step 2: Convert to fraction form
    121,313.25/167,410.01 = 67,597.11/x
  3. Step 3: Cross multiply
    121,313.25x = 167,410.01 × 67,597.11
  4. Step 4: Simplify right side
    121,313.25x = 11,316,432,523.09
  5. Step 5: Solve for x
    x = 11,316,432,523.09/121,313.25
  6. Step 6: Final answer
    x = 93,282.74

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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.