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Finding the Fourth Proportional to 178,216.70, 267,241.35 and 103,358.12

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Solution

The fourth proportional to 178,216.70, 267,241.35 and 103,358.12 is: 154,988.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    178,216.70 : 267,241.35 = 103,358.12 : x
  2. Step 2: Convert to fraction form
    178,216.70/267,241.35 = 103,358.12/x
  3. Step 3: Cross multiply
    178,216.70x = 267,241.35 × 103,358.12
  4. Step 4: Simplify right side
    178,216.70x = 27,621,563,522.26
  5. Step 5: Solve for x
    x = 27,621,563,522.26/178,216.70
  6. Step 6: Final answer
    x = 154,988.64

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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.