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Finding the Fourth Proportional to 222,158.34, 306,570.87 and 126,695.76

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Solution

The fourth proportional to 222,158.34, 306,570.87 and 126,695.76 is: 174,835.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    222,158.34 : 306,570.87 = 126,695.76 : x
  2. Step 2: Convert to fraction form
    222,158.34/306,570.87 = 126,695.76/x
  3. Step 3: Cross multiply
    222,158.34x = 306,570.87 × 126,695.76
  4. Step 4: Simplify right side
    222,158.34x = 38,841,229,368.51
  5. Step 5: Solve for x
    x = 38,841,229,368.51/222,158.34
  6. Step 6: Final answer
    x = 174,835.79

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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.