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Finding the Fourth Proportional to 158,556.60, 237,834.90 and 69,715.80

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Solution

The fourth proportional to 158,556.60, 237,834.90 and 69,715.80 is: 104,573.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    158,556.60 : 237,834.90 = 69,715.80 : x
  2. Step 2: Convert to fraction form
    158,556.60/237,834.90 = 69,715.80/x
  3. Step 3: Cross multiply
    158,556.60x = 237,834.90 × 69,715.80
  4. Step 4: Simplify right side
    158,556.60x = 16,580,850,321.42
  5. Step 5: Solve for x
    x = 16,580,850,321.42/158,556.60
  6. Step 6: Final answer
    x = 104,573.70

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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.