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Finding the Fourth Proportional to 219,027.96, 302,258.70 and 118,425.96

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Solution

The fourth proportional to 219,027.96, 302,258.70 and 118,425.96 is: 163,427.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    219,027.96 : 302,258.70 = 118,425.96 : x
  2. Step 2: Convert to fraction form
    219,027.96/302,258.70 = 118,425.96/x
  3. Step 3: Cross multiply
    219,027.96x = 302,258.70 × 118,425.96
  4. Step 4: Simplify right side
    219,027.96x = 35,795,276,715.85
  5. Step 5: Solve for x
    x = 35,795,276,715.85/219,027.96
  6. Step 6: Final answer
    x = 163,427.89

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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.