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Finding the Fourth Proportional to 238,692.64, 358,038.94 and 113,654.56

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Solution

The fourth proportional to 238,692.64, 358,038.94 and 113,654.56 is: 170,481.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    238,692.64 : 358,038.94 = 113,654.56 : x
  2. Step 2: Convert to fraction form
    238,692.64/358,038.94 = 113,654.56/x
  3. Step 3: Cross multiply
    238,692.64x = 358,038.94 × 113,654.56
  4. Step 4: Simplify right side
    238,692.64x = 40,692,758,188.57
  5. Step 5: Solve for x
    x = 40,692,758,188.57/238,692.64
  6. Step 6: Final answer
    x = 170,481.83

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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.