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Finding the Fourth Proportional to 168,804.12, 232,954.38 and 93,357.48

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Solution

The fourth proportional to 168,804.12, 232,954.38 and 93,357.48 is: 128,835.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    168,804.12 : 232,954.38 = 93,357.48 : x
  2. Step 2: Convert to fraction form
    168,804.12/232,954.38 = 93,357.48/x
  3. Step 3: Cross multiply
    168,804.12x = 232,954.38 × 93,357.48
  4. Step 4: Simplify right side
    168,804.12x = 21,748,033,871.76
  5. Step 5: Solve for x
    x = 21,748,033,871.76/168,804.12
  6. Step 6: Final answer
    x = 128,835.92

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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.