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Finding the Fourth Proportional to 178,333.04, 267,832.56 and 156,993.28

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Solution

The fourth proportional to 178,333.04, 267,832.56 and 156,993.28 is: 235,783.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    178,333.04 : 267,832.56 = 156,993.28 : x
  2. Step 2: Convert to fraction form
    178,333.04/267,832.56 = 156,993.28/x
  3. Step 3: Cross multiply
    178,333.04x = 267,832.56 × 156,993.28
  4. Step 4: Simplify right side
    178,333.04x = 42,047,912,085.20
  5. Step 5: Solve for x
    x = 42,047,912,085.20/178,333.04
  6. Step 6: Final answer
    x = 235,783.07

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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.