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Finding the Fourth Proportional to 108,136.81, 162,220.65 and 33,263.20

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Solution

The fourth proportional to 108,136.81, 162,220.65 and 33,263.20 is: 49,899.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    108,136.81 : 162,220.65 = 33,263.20 : x
  2. Step 2: Convert to fraction form
    108,136.81/162,220.65 = 33,263.20/x
  3. Step 3: Cross multiply
    108,136.81x = 162,220.65 × 33,263.20
  4. Step 4: Simplify right side
    108,136.81x = 5,395,977,925.08
  5. Step 5: Solve for x
    x = 5,395,977,925.08/108,136.81
  6. Step 6: Final answer
    x = 49,899.55

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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.