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Finding the Fourth Proportional to 115,881.80, 174,033.90 and 101,366.60

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Solution

The fourth proportional to 115,881.80, 174,033.90 and 101,366.60 is: 152,234.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    115,881.80 : 174,033.90 = 101,366.60 : x
  2. Step 2: Convert to fraction form
    115,881.80/174,033.90 = 101,366.60/x
  3. Step 3: Cross multiply
    115,881.80x = 174,033.90 × 101,366.60
  4. Step 4: Simplify right side
    115,881.80x = 17,641,224,727.74
  5. Step 5: Solve for x
    x = 17,641,224,727.74/115,881.80
  6. Step 6: Final answer
    x = 152,234.65

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.