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Finding the Fourth Proportional to 178,359.40, 267,312.30 and 73,059.40

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Solution

The fourth proportional to 178,359.40, 267,312.30 and 73,059.40 is: 109,496.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    178,359.40 : 267,312.30 = 73,059.40 : x
  2. Step 2: Convert to fraction form
    178,359.40/267,312.30 = 73,059.40/x
  3. Step 3: Cross multiply
    178,359.40x = 267,312.30 × 73,059.40
  4. Step 4: Simplify right side
    178,359.40x = 19,529,676,250.62
  5. Step 5: Solve for x
    x = 19,529,676,250.62/178,359.40
  6. Step 6: Final answer
    x = 109,496.20

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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.