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Finding the Fourth Proportional to 121,670.88, 182,534.40 and 51,552.96

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Solution

The fourth proportional to 121,670.88, 182,534.40 and 51,552.96 is: 77,341.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    121,670.88 : 182,534.40 = 51,552.96 : x
  2. Step 2: Convert to fraction form
    121,670.88/182,534.40 = 51,552.96/x
  3. Step 3: Cross multiply
    121,670.88x = 182,534.40 × 51,552.96
  4. Step 4: Simplify right side
    121,670.88x = 9,410,188,621.82
  5. Step 5: Solve for x
    x = 9,410,188,621.82/121,670.88
  6. Step 6: Final answer
    x = 77,341.34

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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.