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Finding the Fourth Proportional to 97,092.48, 133,955.58 and 79,156.65

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Solution

The fourth proportional to 97,092.48, 133,955.58 and 79,156.65 is: 109,210.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    97,092.48 : 133,955.58 = 79,156.65 : x
  2. Step 2: Convert to fraction form
    97,092.48/133,955.58 = 79,156.65/x
  3. Step 3: Cross multiply
    97,092.48x = 133,955.58 × 79,156.65
  4. Step 4: Simplify right side
    97,092.48x = 10,603,474,961.61
  5. Step 5: Solve for x
    x = 10,603,474,961.61/97,092.48
  6. Step 6: Final answer
    x = 109,210.05

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.