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Finding the Fourth Proportional to 73,012.58, 100,802.97 and 55,984.11

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Solution

The fourth proportional to 73,012.58, 100,802.97 and 55,984.11 is: 77,293.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    73,012.58 : 100,802.97 = 55,984.11 : x
  2. Step 2: Convert to fraction form
    73,012.58/100,802.97 = 55,984.11/x
  3. Step 3: Cross multiply
    73,012.58x = 100,802.97 × 55,984.11
  4. Step 4: Simplify right side
    73,012.58x = 5,643,364,560.81
  5. Step 5: Solve for x
    x = 5,643,364,560.81/73,012.58
  6. Step 6: Final answer
    x = 77,293.04

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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.