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Finding the Fourth Proportional to 96,387.84, 133,015.08 and 53,954.52

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Solution

The fourth proportional to 96,387.84, 133,015.08 and 53,954.52 is: 74,457.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    96,387.84 : 133,015.08 = 53,954.52 : x
  2. Step 2: Convert to fraction form
    96,387.84/133,015.08 = 53,954.52/x
  3. Step 3: Cross multiply
    96,387.84x = 133,015.08 × 53,954.52
  4. Step 4: Simplify right side
    96,387.84x = 7,176,764,794.16
  5. Step 5: Solve for x
    x = 7,176,764,794.16/96,387.84
  6. Step 6: Final answer
    x = 74,457.16

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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.