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Finding the Fourth Proportional to 108,817.50, 150,168.69 and 63,526.62

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Solution

The fourth proportional to 108,817.50, 150,168.69 and 63,526.62 is: 87,667.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    108,817.50 : 150,168.69 = 63,526.62 : x
  2. Step 2: Convert to fraction form
    108,817.50/150,168.69 = 63,526.62/x
  3. Step 3: Cross multiply
    108,817.50x = 150,168.69 × 63,526.62
  4. Step 4: Simplify right side
    108,817.50x = 9,539,709,305.53
  5. Step 5: Solve for x
    x = 9,539,709,305.53/108,817.50
  6. Step 6: Final answer
    x = 87,667.05

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.