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Finding the Fourth Proportional to 101,429.66, 152,100.10 and 48,136.91

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Solution

The fourth proportional to 101,429.66, 152,100.10 and 48,136.91 is: 72,184.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    101,429.66 : 152,100.10 = 48,136.91 : x
  2. Step 2: Convert to fraction form
    101,429.66/152,100.10 = 48,136.91/x
  3. Step 3: Cross multiply
    101,429.66x = 152,100.10 × 48,136.91
  4. Step 4: Simplify right side
    101,429.66x = 7,321,628,824.69
  5. Step 5: Solve for x
    x = 7,321,628,824.69/101,429.66
  6. Step 6: Final answer
    x = 72,184.30

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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.