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Finding the Fourth Proportional to 178,458.40, 267,460.80 and 73,158.40

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Solution

The fourth proportional to 178,458.40, 267,460.80 and 73,158.40 is: 109,644.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    178,458.40 : 267,460.80 = 73,158.40 : x
  2. Step 2: Convert to fraction form
    178,458.40/267,460.80 = 73,158.40/x
  3. Step 3: Cross multiply
    178,458.40x = 267,460.80 × 73,158.40
  4. Step 4: Simplify right side
    178,458.40x = 19,567,004,190.72
  5. Step 5: Solve for x
    x = 19,567,004,190.72/178,458.40
  6. Step 6: Final answer
    x = 109,644.62

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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.