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Finding the Fourth Proportional to 224,643.48, 336,964.26 and 58,431

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Solution

The fourth proportional to 224,643.48, 336,964.26 and 58,431 is: 87,646.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    224,643.48 : 336,964.26 = 58,431 : x
  2. Step 2: Convert to fraction form
    224,643.48/336,964.26 = 58,431/x
  3. Step 3: Cross multiply
    224,643.48x = 336,964.26 × 58,431
  4. Step 4: Simplify right side
    224,643.48x = 19,689,158,676.06
  5. Step 5: Solve for x
    x = 19,689,158,676.06/224,643.48
  6. Step 6: Final answer
    x = 87,646.25

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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.