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Finding the Fourth Proportional to 96,804.72, 133,592.18 and 53,788.10

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Solution

The fourth proportional to 96,804.72, 133,592.18 and 53,788.10 is: 74,228.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    96,804.72 : 133,592.18 = 53,788.10 : x
  2. Step 2: Convert to fraction form
    96,804.72/133,592.18 = 53,788.10/x
  3. Step 3: Cross multiply
    96,804.72x = 133,592.18 × 53,788.10
  4. Step 4: Simplify right side
    96,804.72x = 7,185,668,600.16
  5. Step 5: Solve for x
    x = 7,185,668,600.16/96,804.72
  6. Step 6: Final answer
    x = 74,228.49

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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.