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Finding the Fourth Proportional to 115,900.84, 159,924.88 and 67,510.73

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Solution

The fourth proportional to 115,900.84, 159,924.88 and 67,510.73 is: 93,154.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    115,900.84 : 159,924.88 = 67,510.73 : x
  2. Step 2: Convert to fraction form
    115,900.84/159,924.88 = 67,510.73/x
  3. Step 3: Cross multiply
    115,900.84x = 159,924.88 × 67,510.73
  4. Step 4: Simplify right side
    115,900.84x = 10,796,645,393.96
  5. Step 5: Solve for x
    x = 10,796,645,393.96/115,900.84
  6. Step 6: Final answer
    x = 93,154.16

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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.