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Finding the Fourth Proportional to 203,224.77, 280,447.23 and 112,580.58

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Solution

The fourth proportional to 203,224.77, 280,447.23 and 112,580.58 is: 155,359.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    203,224.77 : 280,447.23 = 112,580.58 : x
  2. Step 2: Convert to fraction form
    203,224.77/280,447.23 = 112,580.58/x
  3. Step 3: Cross multiply
    203,224.77x = 280,447.23 × 112,580.58
  4. Step 4: Simplify right side
    203,224.77x = 31,572,911,812.79
  5. Step 5: Solve for x
    x = 31,572,911,812.79/203,224.77
  6. Step 6: Final answer
    x = 155,359.56

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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.