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Finding the Fourth Proportional to 167,319.69, 230,901.37 and 90,838.86

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Solution

The fourth proportional to 167,319.69, 230,901.37 and 90,838.86 is: 125,357.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    167,319.69 : 230,901.37 = 90,838.86 : x
  2. Step 2: Convert to fraction form
    167,319.69/230,901.37 = 90,838.86/x
  3. Step 3: Cross multiply
    167,319.69x = 230,901.37 × 90,838.86
  4. Step 4: Simplify right side
    167,319.69x = 20,974,816,130.26
  5. Step 5: Solve for x
    x = 20,974,816,130.26/167,319.69
  6. Step 6: Final answer
    x = 125,357.73

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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.