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Finding the Fourth Proportional to 168,864.64, 233,040.51 and 93,413.14

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Solution

The fourth proportional to 168,864.64, 233,040.51 and 93,413.14 is: 128,914.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    168,864.64 : 233,040.51 = 93,413.14 : x
  2. Step 2: Convert to fraction form
    168,864.64/233,040.51 = 93,413.14/x
  3. Step 3: Cross multiply
    168,864.64x = 233,040.51 × 93,413.14
  4. Step 4: Simplify right side
    168,864.64x = 21,769,045,786.30
  5. Step 5: Solve for x
    x = 21,769,045,786.30/168,864.64
  6. Step 6: Final answer
    x = 128,914.18

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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.