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Finding the Fourth Proportional to 161,960.32, 223,510.80 and 93,972.16

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Solution

The fourth proportional to 161,960.32, 223,510.80 and 93,972.16 is: 129,684.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    161,960.32 : 223,510.80 = 93,972.16 : x
  2. Step 2: Convert to fraction form
    161,960.32/223,510.80 = 93,972.16/x
  3. Step 3: Cross multiply
    161,960.32x = 223,510.80 × 93,972.16
  4. Step 4: Simplify right side
    161,960.32x = 21,003,792,659.33
  5. Step 5: Solve for x
    x = 21,003,792,659.33/161,960.32
  6. Step 6: Final answer
    x = 129,684.81

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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.