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Finding the Fourth Proportional to 198,496.96, 297,774.56 and 58,237.12

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Solution

The fourth proportional to 198,496.96, 297,774.56 and 58,237.12 is: 87,364.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    198,496.96 : 297,774.56 = 58,237.12 : x
  2. Step 2: Convert to fraction form
    198,496.96/297,774.56 = 58,237.12/x
  3. Step 3: Cross multiply
    198,496.96x = 297,774.56 × 58,237.12
  4. Step 4: Simplify right side
    198,496.96x = 17,341,532,783.67
  5. Step 5: Solve for x
    x = 17,341,532,783.67/198,496.96
  6. Step 6: Final answer
    x = 87,364.22

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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.