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Finding the Fourth Proportional to 222,356.80, 333,240.32 and 117,250.16

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Solution

The fourth proportional to 222,356.80, 333,240.32 and 117,250.16 is: 175,719.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    222,356.80 : 333,240.32 = 117,250.16 : x
  2. Step 2: Convert to fraction form
    222,356.80/333,240.32 = 117,250.16/x
  3. Step 3: Cross multiply
    222,356.80x = 333,240.32 × 117,250.16
  4. Step 4: Simplify right side
    222,356.80x = 39,072,480,838.45
  5. Step 5: Solve for x
    x = 39,072,480,838.45/222,356.80
  6. Step 6: Final answer
    x = 175,719.75

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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.