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Finding the Fourth Proportional to 101,025.25, 151,543.95 and 30,905.17

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Solution

The fourth proportional to 101,025.25, 151,543.95 and 30,905.17 is: 46,359.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    101,025.25 : 151,543.95 = 30,905.17 : x
  2. Step 2: Convert to fraction form
    101,025.25/151,543.95 = 30,905.17/x
  3. Step 3: Cross multiply
    101,025.25x = 151,543.95 × 30,905.17
  4. Step 4: Simplify right side
    101,025.25x = 4,683,491,537.22
  5. Step 5: Solve for x
    x = 4,683,491,537.22/101,025.25
  6. Step 6: Final answer
    x = 46,359.61

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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.