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Finding the Fourth Proportional to 133,838.34, 201,007.12 and 117,833.55

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Solution

The fourth proportional to 133,838.34, 201,007.12 and 117,833.55 is: 176,970.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    133,838.34 : 201,007.12 = 117,833.55 : x
  2. Step 2: Convert to fraction form
    133,838.34/201,007.12 = 117,833.55/x
  3. Step 3: Cross multiply
    133,838.34x = 201,007.12 × 117,833.55
  4. Step 4: Simplify right side
    133,838.34x = 23,685,382,524.88
  5. Step 5: Solve for x
    x = 23,685,382,524.88/133,838.34
  6. Step 6: Final answer
    x = 176,970.09

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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.