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Finding the Fourth Proportional to 106,136.76, 159,156.54 and 35,987.52

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Solution

The fourth proportional to 106,136.76, 159,156.54 and 35,987.52 is: 53,964.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    106,136.76 : 159,156.54 = 35,987.52 : x
  2. Step 2: Convert to fraction form
    106,136.76/159,156.54 = 35,987.52/x
  3. Step 3: Cross multiply
    106,136.76x = 159,156.54 × 35,987.52
  4. Step 4: Simplify right side
    106,136.76x = 5,727,649,166.38
  5. Step 5: Solve for x
    x = 5,727,649,166.38/106,136.76
  6. Step 6: Final answer
    x = 53,964.80

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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.