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Finding the Fourth Proportional to 222,748.90, 334,058.55 and 122,956.90

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Solution

The fourth proportional to 222,748.90, 334,058.55 and 122,956.90 is: 184,399.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    222,748.90 : 334,058.55 = 122,956.90 : x
  2. Step 2: Convert to fraction form
    222,748.90/334,058.55 = 122,956.90/x
  3. Step 3: Cross multiply
    222,748.90x = 334,058.55 × 122,956.90
  4. Step 4: Simplify right side
    222,748.90x = 41,074,803,726.50
  5. Step 5: Solve for x
    x = 41,074,803,726.50/222,748.90
  6. Step 6: Final answer
    x = 184,399.58

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.