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Finding the Fourth Proportional to 99,658.74, 149,507.37 and 32,208.93

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Solution

The fourth proportional to 99,658.74, 149,507.37 and 32,208.93 is: 48,319.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    99,658.74 : 149,507.37 = 32,208.93 : x
  2. Step 2: Convert to fraction form
    99,658.74/149,507.37 = 32,208.93/x
  3. Step 3: Cross multiply
    99,658.74x = 149,507.37 × 32,208.93
  4. Step 4: Simplify right side
    99,658.74x = 4,815,472,414.81
  5. Step 5: Solve for x
    x = 4,815,472,414.81/99,658.74
  6. Step 6: Final answer
    x = 48,319.62

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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.