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Finding the Fourth Proportional to 228,878.52, 343,250.58 and 88,603.64

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Solution

The fourth proportional to 228,878.52, 343,250.58 and 88,603.64 is: 132,879.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    228,878.52 : 343,250.58 = 88,603.64 : x
  2. Step 2: Convert to fraction form
    228,878.52/343,250.58 = 88,603.64/x
  3. Step 3: Cross multiply
    228,878.52x = 343,250.58 × 88,603.64
  4. Step 4: Simplify right side
    228,878.52x = 30,413,250,820.11
  5. Step 5: Solve for x
    x = 30,413,250,820.11/228,878.52
  6. Step 6: Final answer
    x = 132,879.45

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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.