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Finding the Fourth Proportional to 101,015.91, 151,491.06 and 47,699.64

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Solution

The fourth proportional to 101,015.91, 151,491.06 and 47,699.64 is: 71,533.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    101,015.91 : 151,491.06 = 47,699.64 : x
  2. Step 2: Convert to fraction form
    101,015.91/151,491.06 = 47,699.64/x
  3. Step 3: Cross multiply
    101,015.91x = 151,491.06 × 47,699.64
  4. Step 4: Simplify right side
    101,015.91x = 7,226,069,025.22
  5. Step 5: Solve for x
    x = 7,226,069,025.22/101,015.91
  6. Step 6: Final answer
    x = 71,533.97

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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.