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Finding the Fourth Proportional to 108,777.66, 163,165.84 and 59,173.01

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Solution

The fourth proportional to 108,777.66, 163,165.84 and 59,173.01 is: 88,759.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    108,777.66 : 163,165.84 = 59,173.01 : x
  2. Step 2: Convert to fraction form
    108,777.66/163,165.84 = 59,173.01/x
  3. Step 3: Cross multiply
    108,777.66x = 163,165.84 × 59,173.01
  4. Step 4: Simplify right side
    108,777.66x = 9,655,013,404.03
  5. Step 5: Solve for x
    x = 9,655,013,404.03/108,777.66
  6. Step 6: Final answer
    x = 88,759.16

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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.