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Finding the Fourth Proportional to 224,314.47, 336,419.84 and 66,504.87

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Solution

The fourth proportional to 224,314.47, 336,419.84 and 66,504.87 is: 99,741.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    224,314.47 : 336,419.84 = 66,504.87 : x
  2. Step 2: Convert to fraction form
    224,314.47/336,419.84 = 66,504.87/x
  3. Step 3: Cross multiply
    224,314.47x = 336,419.84 × 66,504.87
  4. Step 4: Simplify right side
    224,314.47x = 22,373,557,392.10
  5. Step 5: Solve for x
    x = 22,373,557,392.10/224,314.47
  6. Step 6: Final answer
    x = 99,741.93

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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.