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Finding the Fourth Proportional to 167,062.50, 230,451.94 and 99,012.63

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Solution

The fourth proportional to 167,062.50, 230,451.94 and 99,012.63 is: 136,581.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    167,062.50 : 230,451.94 = 99,012.63 : x
  2. Step 2: Convert to fraction form
    167,062.50/230,451.94 = 99,012.63/x
  3. Step 3: Cross multiply
    167,062.50x = 230,451.94 × 99,012.63
  4. Step 4: Simplify right side
    167,062.50x = 22,817,651,802.72
  5. Step 5: Solve for x
    x = 22,817,651,802.72/167,062.50
  6. Step 6: Final answer
    x = 136,581.53

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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.