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Finding the Fourth Proportional to 202,530.56, 279,490.84 and 111,892.37

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Solution

The fourth proportional to 202,530.56, 279,490.84 and 111,892.37 is: 154,410.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    202,530.56 : 279,490.84 = 111,892.37 : x
  2. Step 2: Convert to fraction form
    202,530.56/279,490.84 = 111,892.37/x
  3. Step 3: Cross multiply
    202,530.56x = 279,490.84 × 111,892.37
  4. Step 4: Simplify right side
    202,530.56x = 31,272,890,803.71
  5. Step 5: Solve for x
    x = 31,272,890,803.71/202,530.56
  6. Step 6: Final answer
    x = 154,410.73

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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.