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Finding the Fourth Proportional to 215,550.96, 323,076.95 and 101,770.91

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Solution

The fourth proportional to 215,550.96, 323,076.95 and 101,770.91 is: 152,538.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    215,550.96 : 323,076.95 = 101,770.91 : x
  2. Step 2: Convert to fraction form
    215,550.96/323,076.95 = 101,770.91/x
  3. Step 3: Cross multiply
    215,550.96x = 323,076.95 × 101,770.91
  4. Step 4: Simplify right side
    215,550.96x = 32,879,837,060.23
  5. Step 5: Solve for x
    x = 32,879,837,060.23/215,550.96
  6. Step 6: Final answer
    x = 152,538.58

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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.