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Finding the Fourth Proportional to 228,383.35, 342,598.04 and 78,603.95

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Solution

The fourth proportional to 228,383.35, 342,598.04 and 78,603.95 is: 117,913.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    228,383.35 : 342,598.04 = 78,603.95 : x
  2. Step 2: Convert to fraction form
    228,383.35/342,598.04 = 78,603.95/x
  3. Step 3: Cross multiply
    228,383.35x = 342,598.04 × 78,603.95
  4. Step 4: Simplify right side
    228,383.35x = 26,929,558,813.24
  5. Step 5: Solve for x
    x = 26,929,558,813.24/228,383.35
  6. Step 6: Final answer
    x = 117,913.85

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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.