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Finding the Fourth Proportional to 178,445.36, 267,681 and 53,796.08

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Solution

The fourth proportional to 178,445.36, 267,681 and 53,796.08 is: 80,698.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    178,445.36 : 267,681 = 53,796.08 : x
  2. Step 2: Convert to fraction form
    178,445.36/267,681 = 53,796.08/x
  3. Step 3: Cross multiply
    178,445.36x = 267,681 × 53,796.08
  4. Step 4: Simplify right side
    178,445.36x = 14,400,188,490.48
  5. Step 5: Solve for x
    x = 14,400,188,490.48/178,445.36
  6. Step 6: Final answer
    x = 80,698.03

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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.