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Finding the Fourth Proportional to 215,337.35, 322,768.16 and 88,907.89

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Solution

The fourth proportional to 215,337.35, 322,768.16 and 88,907.89 is: 133,263.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    215,337.35 : 322,768.16 = 88,907.89 : x
  2. Step 2: Convert to fraction form
    215,337.35/322,768.16 = 88,907.89/x
  3. Step 3: Cross multiply
    215,337.35x = 322,768.16 × 88,907.89
  4. Step 4: Simplify right side
    215,337.35x = 28,696,634,813.32
  5. Step 5: Solve for x
    x = 28,696,634,813.32/215,337.35
  6. Step 6: Final answer
    x = 133,263.62

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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.