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Finding the Fourth Proportional to 224,574.72, 336,904.20 and 74,824.08

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Solution

The fourth proportional to 224,574.72, 336,904.20 and 74,824.08 is: 112,250.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    224,574.72 : 336,904.20 = 74,824.08 : x
  2. Step 2: Convert to fraction form
    224,574.72/336,904.20 = 74,824.08/x
  3. Step 3: Cross multiply
    224,574.72x = 336,904.20 × 74,824.08
  4. Step 4: Simplify right side
    224,574.72x = 25,208,546,813.14
  5. Step 5: Solve for x
    x = 25,208,546,813.14/224,574.72
  6. Step 6: Final answer
    x = 112,250.15

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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.