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Finding the Fourth Proportional to 219,654.66, 303,123.69 and 119,052.66

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Solution

The fourth proportional to 219,654.66, 303,123.69 and 119,052.66 is: 164,292.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    219,654.66 : 303,123.69 = 119,052.66 : x
  2. Step 2: Convert to fraction form
    219,654.66/303,123.69 = 119,052.66/x
  3. Step 3: Cross multiply
    219,654.66x = 303,123.69 × 119,052.66
  4. Step 4: Simplify right side
    219,654.66x = 36,087,681,603.52
  5. Step 5: Solve for x
    x = 36,087,681,603.52/219,654.66
  6. Step 6: Final answer
    x = 164,292.81

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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.