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Finding the Fourth Proportional to 115,957.84, 160,022.18 and 67,588.39

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Solution

The fourth proportional to 115,957.84, 160,022.18 and 67,588.39 is: 93,272.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    115,957.84 : 160,022.18 = 67,588.39 : x
  2. Step 2: Convert to fraction form
    115,957.84/160,022.18 = 67,588.39/x
  3. Step 3: Cross multiply
    115,957.84x = 160,022.18 × 67,588.39
  4. Step 4: Simplify right side
    115,957.84x = 10,815,641,510.49
  5. Step 5: Solve for x
    x = 10,815,641,510.49/115,957.84
  6. Step 6: Final answer
    x = 93,272.19

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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.