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Finding the Fourth Proportional to 221,059.77, 331,312.37 and 94,551.54

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Solution

The fourth proportional to 221,059.77, 331,312.37 and 94,551.54 is: 141,708.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    221,059.77 : 331,312.37 = 94,551.54 : x
  2. Step 2: Convert to fraction form
    221,059.77/331,312.37 = 94,551.54/x
  3. Step 3: Cross multiply
    221,059.77x = 331,312.37 × 94,551.54
  4. Step 4: Simplify right side
    221,059.77x = 31,326,094,331.79
  5. Step 5: Solve for x
    x = 31,326,094,331.79/221,059.77
  6. Step 6: Final answer
    x = 141,708.71

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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.