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Finding the Fourth Proportional to 224,459.44, 336,752.44 and 91,435.16

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Solution

The fourth proportional to 224,459.44, 336,752.44 and 91,435.16 is: 137,178.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    224,459.44 : 336,752.44 = 91,435.16 : x
  2. Step 2: Convert to fraction form
    224,459.44/336,752.44 = 91,435.16/x
  3. Step 3: Cross multiply
    224,459.44x = 336,752.44 × 91,435.16
  4. Step 4: Simplify right side
    224,459.44x = 30,791,013,845.08
  5. Step 5: Solve for x
    x = 30,791,013,845.08/224,459.44
  6. Step 6: Final answer
    x = 137,178.52

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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.