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Finding the Fourth Proportional to 101,025.81, 151,533.22 and 30,905.12

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Solution

The fourth proportional to 101,025.81, 151,533.22 and 30,905.12 is: 46,356.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    101,025.81 : 151,533.22 = 30,905.12 : x
  2. Step 2: Convert to fraction form
    101,025.81/151,533.22 = 30,905.12/x
  3. Step 3: Cross multiply
    101,025.81x = 151,533.22 × 30,905.12
  4. Step 4: Simplify right side
    101,025.81x = 4,683,152,649.66
  5. Step 5: Solve for x
    x = 4,683,152,649.66/101,025.81
  6. Step 6: Final answer
    x = 46,356.00

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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.