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Finding the Fourth Proportional to 137,360.81, 205,773.91 and 101,271.53

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Solution

The fourth proportional to 137,360.81, 205,773.91 and 101,271.53 is: 151,710.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    137,360.81 : 205,773.91 = 101,271.53 : x
  2. Step 2: Convert to fraction form
    137,360.81/205,773.91 = 101,271.53/x
  3. Step 3: Cross multiply
    137,360.81x = 205,773.91 × 101,271.53
  4. Step 4: Simplify right side
    137,360.81x = 20,839,038,699.78
  5. Step 5: Solve for x
    x = 20,839,038,699.78/137,360.81
  6. Step 6: Final answer
    x = 151,710.22

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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.