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Finding the Fourth Proportional to 191,902.14, 287,890.13 and 58,783.56

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Solution

The fourth proportional to 191,902.14, 287,890.13 and 58,783.56 is: 88,186.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    191,902.14 : 287,890.13 = 58,783.56 : x
  2. Step 2: Convert to fraction form
    191,902.14/287,890.13 = 58,783.56/x
  3. Step 3: Cross multiply
    191,902.14x = 287,890.13 × 58,783.56
  4. Step 4: Simplify right side
    191,902.14x = 16,923,206,436.35
  5. Step 5: Solve for x
    x = 16,923,206,436.35/191,902.14
  6. Step 6: Final answer
    x = 88,186.65

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1.5x scale

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.