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Finding the Fourth Proportional to 192,061.51, 265,046.90 and 107,176.75

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Solution

The fourth proportional to 192,061.51, 265,046.90 and 107,176.75 is: 147,905.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    192,061.51 : 265,046.90 = 107,176.75 : x
  2. Step 2: Convert to fraction form
    192,061.51/265,046.90 = 107,176.75/x
  3. Step 3: Cross multiply
    192,061.51x = 265,046.90 × 107,176.75
  4. Step 4: Simplify right side
    192,061.51x = 28,406,865,339.58
  5. Step 5: Solve for x
    x = 28,406,865,339.58/192,061.51
  6. Step 6: Final answer
    x = 147,905.04

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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.