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Finding the Fourth Proportional to 60,556.60, 90,834.90 and 53,169.40

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Solution

The fourth proportional to 60,556.60, 90,834.90 and 53,169.40 is: 79,754.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    60,556.60 : 90,834.90 = 53,169.40 : x
  2. Step 2: Convert to fraction form
    60,556.60/90,834.90 = 53,169.40/x
  3. Step 3: Cross multiply
    60,556.60x = 90,834.90 × 53,169.40
  4. Step 4: Simplify right side
    60,556.60x = 4,829,637,132.06
  5. Step 5: Solve for x
    x = 4,829,637,132.06/60,556.60
  6. Step 6: Final answer
    x = 79,754.10

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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.