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Finding the Fourth Proportional to 131,395.84, 197,188.86 and 52,532.68

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Solution

The fourth proportional to 131,395.84, 197,188.86 and 52,532.68 is: 78,837.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    131,395.84 : 197,188.86 = 52,532.68 : x
  2. Step 2: Convert to fraction form
    131,395.84/197,188.86 = 52,532.68/x
  3. Step 3: Cross multiply
    131,395.84x = 197,188.86 × 52,532.68
  4. Step 4: Simplify right side
    131,395.84x = 10,358,859,281.94
  5. Step 5: Solve for x
    x = 10,358,859,281.94/131,395.84
  6. Step 6: Final answer
    x = 78,837.04

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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.