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Finding the Fourth Proportional to 221,393.34, 332,187.21 and 116,187.71

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Solution

The fourth proportional to 221,393.34, 332,187.21 and 116,187.71 is: 174,332.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    221,393.34 : 332,187.21 = 116,187.71 : x
  2. Step 2: Convert to fraction form
    221,393.34/332,187.21 = 116,187.71/x
  3. Step 3: Cross multiply
    221,393.34x = 332,187.21 × 116,187.71
  4. Step 4: Simplify right side
    221,393.34x = 38,596,069,560.25
  5. Step 5: Solve for x
    x = 38,596,069,560.25/221,393.34
  6. Step 6: Final answer
    x = 174,332.57

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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.