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Finding the Fourth Proportional to 133,585.77, 200,119.25 and 119,389.71

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Solution

The fourth proportional to 133,585.77, 200,119.25 and 119,389.71 is: 178,852.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    133,585.77 : 200,119.25 = 119,389.71 : x
  2. Step 2: Convert to fraction form
    133,585.77/200,119.25 = 119,389.71/x
  3. Step 3: Cross multiply
    133,585.77x = 200,119.25 × 119,389.71
  4. Step 4: Simplify right side
    133,585.77x = 23,892,178,625.97
  5. Step 5: Solve for x
    x = 23,892,178,625.97/133,585.77
  6. Step 6: Final answer
    x = 178,852.72

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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.