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Finding the Fourth Proportional to 164,703.99, 227,285.42 and 89,250.87

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Solution

The fourth proportional to 164,703.99, 227,285.42 and 89,250.87 is: 123,162.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    164,703.99 : 227,285.42 = 89,250.87 : x
  2. Step 2: Convert to fraction form
    164,703.99/227,285.42 = 89,250.87/x
  3. Step 3: Cross multiply
    164,703.99x = 227,285.42 × 89,250.87
  4. Step 4: Simplify right side
    164,703.99x = 20,285,421,027.06
  5. Step 5: Solve for x
    x = 20,285,421,027.06/164,703.99
  6. Step 6: Final answer
    x = 123,162.90

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.