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Finding the Fourth Proportional to 121,500.66, 167,663.06 and 67,053.32

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Solution

The fourth proportional to 121,500.66, 167,663.06 and 67,053.32 is: 92,529.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    121,500.66 : 167,663.06 = 67,053.32 : x
  2. Step 2: Convert to fraction form
    121,500.66/167,663.06 = 67,053.32/x
  3. Step 3: Cross multiply
    121,500.66x = 167,663.06 × 67,053.32
  4. Step 4: Simplify right side
    121,500.66x = 11,242,364,898.14
  5. Step 5: Solve for x
    x = 11,242,364,898.14/121,500.66
  6. Step 6: Final answer
    x = 92,529.25

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.