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Finding the Fourth Proportional to 238,396.55, 357,586.72 and 111,966.08

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Solution

The fourth proportional to 238,396.55, 357,586.72 and 111,966.08 is: 167,945.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    238,396.55 : 357,586.72 = 111,966.08 : x
  2. Step 2: Convert to fraction form
    238,396.55/357,586.72 = 111,966.08/x
  3. Step 3: Cross multiply
    238,396.55x = 357,586.72 × 111,966.08
  4. Step 4: Simplify right side
    238,396.55x = 40,037,581,230.61
  5. Step 5: Solve for x
    x = 40,037,581,230.61/238,396.55
  6. Step 6: Final answer
    x = 167,945.31

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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.