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Finding the Fourth Proportional to 94,455.60, 141,715.80 and 41,902.80

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Solution

The fourth proportional to 94,455.60, 141,715.80 and 41,902.80 is: 62,868.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    94,455.60 : 141,715.80 = 41,902.80 : x
  2. Step 2: Convert to fraction form
    94,455.60/141,715.80 = 41,902.80/x
  3. Step 3: Cross multiply
    94,455.60x = 141,715.80 × 41,902.80
  4. Step 4: Simplify right side
    94,455.60x = 5,938,288,824.24
  5. Step 5: Solve for x
    x = 5,938,288,824.24/94,455.60
  6. Step 6: Final answer
    x = 62,868.57

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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.