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Finding the Fourth Proportional to 224,459.36, 336,631.20 and 66,652.16

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Solution

The fourth proportional to 224,459.36, 336,631.20 and 66,652.16 is: 99,961.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    224,459.36 : 336,631.20 = 66,652.16 : x
  2. Step 2: Convert to fraction form
    224,459.36/336,631.20 = 66,652.16/x
  3. Step 3: Cross multiply
    224,459.36x = 336,631.20 × 66,652.16
  4. Step 4: Simplify right side
    224,459.36x = 22,437,196,603.39
  5. Step 5: Solve for x
    x = 22,437,196,603.39/224,459.36
  6. Step 6: Final answer
    x = 99,961.06

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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.