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Finding the Fourth Proportional to 121,010.46, 166,996.11 and 67,300.26

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Solution

The fourth proportional to 121,010.46, 166,996.11 and 67,300.26 is: 92,875.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    121,010.46 : 166,996.11 = 67,300.26 : x
  2. Step 2: Convert to fraction form
    121,010.46/166,996.11 = 67,300.26/x
  3. Step 3: Cross multiply
    121,010.46x = 166,996.11 × 67,300.26
  4. Step 4: Simplify right side
    121,010.46x = 11,238,881,621.99
  5. Step 5: Solve for x
    x = 11,238,881,621.99/121,010.46
  6. Step 6: Final answer
    x = 92,875.29

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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.