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Finding the Fourth Proportional to 133,364.10, 200,046.15 and 112,368.90

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Solution

The fourth proportional to 133,364.10, 200,046.15 and 112,368.90 is: 168,553.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    133,364.10 : 200,046.15 = 112,368.90 : x
  2. Step 2: Convert to fraction form
    133,364.10/200,046.15 = 112,368.90/x
  3. Step 3: Cross multiply
    133,364.10x = 200,046.15 × 112,368.90
  4. Step 4: Simplify right side
    133,364.10x = 22,478,965,824.74
  5. Step 5: Solve for x
    x = 22,478,965,824.74/133,364.10
  6. Step 6: Final answer
    x = 168,553.35

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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.