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Finding the Fourth Proportional to 114,778.69, 158,393.47 and 63,791.62

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Solution

The fourth proportional to 114,778.69, 158,393.47 and 63,791.62 is: 88,031.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    114,778.69 : 158,393.47 = 63,791.62 : x
  2. Step 2: Convert to fraction form
    114,778.69/158,393.47 = 63,791.62/x
  3. Step 3: Cross multiply
    114,778.69x = 158,393.47 × 63,791.62
  4. Step 4: Simplify right side
    114,778.69x = 10,104,176,048.72
  5. Step 5: Solve for x
    x = 10,104,176,048.72/114,778.69
  6. Step 6: Final answer
    x = 88,031.81

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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.