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Finding the Fourth Proportional to 224,030.62, 336,054.10 and 74,284.01

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Solution

The fourth proportional to 224,030.62, 336,054.10 and 74,284.01 is: 111,428.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    224,030.62 : 336,054.10 = 74,284.01 : x
  2. Step 2: Convert to fraction form
    224,030.62/336,054.10 = 74,284.01/x
  3. Step 3: Cross multiply
    224,030.62x = 336,054.10 × 74,284.01
  4. Step 4: Simplify right side
    224,030.62x = 24,963,446,124.94
  5. Step 5: Solve for x
    x = 24,963,446,124.94/224,030.62
  6. Step 6: Final answer
    x = 111,428.72

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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.