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Finding the Fourth Proportional to 108,000.40, 162,173.40 and 73,094.80

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Solution

The fourth proportional to 108,000.40, 162,173.40 and 73,094.80 is: 109,759.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    108,000.40 : 162,173.40 = 73,094.80 : x
  2. Step 2: Convert to fraction form
    108,000.40/162,173.40 = 73,094.80/x
  3. Step 3: Cross multiply
    108,000.40x = 162,173.40 × 73,094.80
  4. Step 4: Simplify right side
    108,000.40x = 11,854,032,238.32
  5. Step 5: Solve for x
    x = 11,854,032,238.32/108,000.40
  6. Step 6: Final answer
    x = 109,759.15

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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.