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Finding the Fourth Proportional to 133,088.55, 199,632.83 and 119,966.55

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Solution

The fourth proportional to 133,088.55, 199,632.83 and 119,966.55 is: 179,949.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    133,088.55 : 199,632.83 = 119,966.55 : x
  2. Step 2: Convert to fraction form
    133,088.55/199,632.83 = 119,966.55/x
  3. Step 3: Cross multiply
    133,088.55x = 199,632.83 × 119,966.55
  4. Step 4: Simplify right side
    133,088.55x = 23,949,261,282.00
  5. Step 5: Solve for x
    x = 23,949,261,282.00/133,088.55
  6. Step 6: Final answer
    x = 179,949.83

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1.5x scale

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.