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Finding the Fourth Proportional to 114,265.39, 157,685.29 and 65,849.65

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Solution

The fourth proportional to 114,265.39, 157,685.29 and 65,849.65 is: 90,871.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    114,265.39 : 157,685.29 = 65,849.65 : x
  2. Step 2: Convert to fraction form
    114,265.39/157,685.29 = 65,849.65/x
  3. Step 3: Cross multiply
    114,265.39x = 157,685.29 × 65,849.65
  4. Step 4: Simplify right side
    114,265.39x = 10,383,521,156.65
  5. Step 5: Solve for x
    x = 10,383,521,156.65/114,265.39
  6. Step 6: Final answer
    x = 90,871.97

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1.5x scale

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.