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Finding the Fourth Proportional to 119,373.76, 164,735.94 and 65,658.88

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Solution

The fourth proportional to 119,373.76, 164,735.94 and 65,658.88 is: 90,609.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    119,373.76 : 164,735.94 = 65,658.88 : x
  2. Step 2: Convert to fraction form
    119,373.76/164,735.94 = 65,658.88/x
  3. Step 3: Cross multiply
    119,373.76x = 164,735.94 × 65,658.88
  4. Step 4: Simplify right side
    119,373.76x = 10,816,377,316.15
  5. Step 5: Solve for x
    x = 10,816,377,316.15/119,373.76
  6. Step 6: Final answer
    x = 90,609.34

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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.