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Finding the Fourth Proportional to 129,353.76, 194,001.48 and 35,866.80

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Solution

The fourth proportional to 129,353.76, 194,001.48 and 35,866.80 is: 53,792.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    129,353.76 : 194,001.48 = 35,866.80 : x
  2. Step 2: Convert to fraction form
    129,353.76/194,001.48 = 35,866.80/x
  3. Step 3: Cross multiply
    129,353.76x = 194,001.48 × 35,866.80
  4. Step 4: Simplify right side
    129,353.76x = 6,958,212,282.86
  5. Step 5: Solve for x
    x = 6,958,212,282.86/129,353.76
  6. Step 6: Final answer
    x = 53,792.11

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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.