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Finding the Fourth Proportional to 103,596.76, 155,395.14 and 68,528.22

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Solution

The fourth proportional to 103,596.76, 155,395.14 and 68,528.22 is: 102,792.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    103,596.76 : 155,395.14 = 68,528.22 : x
  2. Step 2: Convert to fraction form
    103,596.76/155,395.14 = 68,528.22/x
  3. Step 3: Cross multiply
    103,596.76x = 155,395.14 × 68,528.22
  4. Step 4: Simplify right side
    103,596.76x = 10,648,952,340.85
  5. Step 5: Solve for x
    x = 10,648,952,340.85/103,596.76
  6. Step 6: Final answer
    x = 102,792.33

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1.5x scale

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.