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Finding the Fourth Proportional to 101,080.30, 151,656.90 and 97,435.30

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Solution

The fourth proportional to 101,080.30, 151,656.90 and 97,435.30 is: 146,188.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    101,080.30 : 151,656.90 = 97,435.30 : x
  2. Step 2: Convert to fraction form
    101,080.30/151,656.90 = 97,435.30/x
  3. Step 3: Cross multiply
    101,080.30x = 151,656.90 × 97,435.30
  4. Step 4: Simplify right side
    101,080.30x = 14,776,735,548.57
  5. Step 5: Solve for x
    x = 14,776,735,548.57/101,080.30
  6. Step 6: Final answer
    x = 146,188.09

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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.