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Finding the Fourth Proportional to 121,465.69, 167,622.21 and 67,750.67

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Solution

The fourth proportional to 121,465.69, 167,622.21 and 67,750.67 is: 93,495.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    121,465.69 : 167,622.21 = 67,750.67 : x
  2. Step 2: Convert to fraction form
    121,465.69/167,622.21 = 67,750.67/x
  3. Step 3: Cross multiply
    121,465.69x = 167,622.21 × 67,750.67
  4. Step 4: Simplify right side
    121,465.69x = 11,356,517,034.38
  5. Step 5: Solve for x
    x = 11,356,517,034.38/121,465.69
  6. Step 6: Final answer
    x = 93,495.68

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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.