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Finding the Fourth Proportional to 222,856.72, 307,537 and 122,253.84

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Solution

The fourth proportional to 222,856.72, 307,537 and 122,253.84 is: 168,707.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    222,856.72 : 307,537 = 122,253.84 : x
  2. Step 2: Convert to fraction form
    222,856.72/307,537 = 122,253.84/x
  3. Step 3: Cross multiply
    222,856.72x = 307,537 × 122,253.84
  4. Step 4: Simplify right side
    222,856.72x = 37,597,579,192.08
  5. Step 5: Solve for x
    x = 37,597,579,192.08/222,856.72
  6. Step 6: Final answer
    x = 168,707.41

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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.