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Finding the Fourth Proportional to 168,670.61, 253,047.44 and 118,848

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Solution

The fourth proportional to 168,670.61, 253,047.44 and 118,848 is: 178,301.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    168,670.61 : 253,047.44 = 118,848 : x
  2. Step 2: Convert to fraction form
    168,670.61/253,047.44 = 118,848/x
  3. Step 3: Cross multiply
    168,670.61x = 253,047.44 × 118,848
  4. Step 4: Simplify right side
    168,670.61x = 30,074,182,149.12
  5. Step 5: Solve for x
    x = 30,074,182,149.12/168,670.61
  6. Step 6: Final answer
    x = 178,301.26

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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.