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Finding the Fourth Proportional to 222,792.79, 307,454.12 and 120,818.22

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Solution

The fourth proportional to 222,792.79, 307,454.12 and 120,818.22 is: 166,729.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    222,792.79 : 307,454.12 = 120,818.22 : x
  2. Step 2: Convert to fraction form
    222,792.79/307,454.12 = 120,818.22/x
  3. Step 3: Cross multiply
    222,792.79x = 307,454.12 × 120,818.22
  4. Step 4: Simplify right side
    222,792.79x = 37,146,058,360.46
  5. Step 5: Solve for x
    x = 37,146,058,360.46/222,792.79
  6. Step 6: Final answer
    x = 166,729.18

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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.