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Finding the Fourth Proportional to 137,360.31, 205,773.16 and 101,271.03

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Solution

The fourth proportional to 137,360.31, 205,773.16 and 101,271.03 is: 151,709.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    137,360.31 : 205,773.16 = 101,271.03 : x
  2. Step 2: Convert to fraction form
    137,360.31/205,773.16 = 101,271.03/x
  3. Step 3: Cross multiply
    137,360.31x = 205,773.16 × 101,271.03
  4. Step 4: Simplify right side
    137,360.31x = 20,838,859,859.55
  5. Step 5: Solve for x
    x = 20,838,859,859.55/137,360.31
  6. Step 6: Final answer
    x = 151,709.47

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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.