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Finding the Fourth Proportional to 178,153.08, 267,229.08 and 72,972.06

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Solution

The fourth proportional to 178,153.08, 267,229.08 and 72,972.06 is: 109,457.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    178,153.08 : 267,229.08 = 72,972.06 : x
  2. Step 2: Convert to fraction form
    178,153.08/267,229.08 = 72,972.06/x
  3. Step 3: Cross multiply
    178,153.08x = 267,229.08 × 72,972.06
  4. Step 4: Simplify right side
    178,153.08x = 19,500,256,459.50
  5. Step 5: Solve for x
    x = 19,500,256,459.50/178,153.08
  6. Step 6: Final answer
    x = 109,457.87

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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.