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Finding the Fourth Proportional to 223,603.52, 335,405.28 and 57,391.52

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Solution

The fourth proportional to 223,603.52, 335,405.28 and 57,391.52 is: 86,087.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    223,603.52 : 335,405.28 = 57,391.52 : x
  2. Step 2: Convert to fraction form
    223,603.52/335,405.28 = 57,391.52/x
  3. Step 3: Cross multiply
    223,603.52x = 335,405.28 × 57,391.52
  4. Step 4: Simplify right side
    223,603.52x = 19,249,418,835.23
  5. Step 5: Solve for x
    x = 19,249,418,835.23/223,603.52
  6. Step 6: Final answer
    x = 86,087.28

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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.