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Finding the Fourth Proportional to 114,508.74, 171,774.89 and 39,628.76

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Solution

The fourth proportional to 114,508.74, 171,774.89 and 39,628.76 is: 59,447.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    114,508.74 : 171,774.89 = 39,628.76 : x
  2. Step 2: Convert to fraction form
    114,508.74/171,774.89 = 39,628.76/x
  3. Step 3: Cross multiply
    114,508.74x = 171,774.89 × 39,628.76
  4. Step 4: Simplify right side
    114,508.74x = 6,807,225,691.69
  5. Step 5: Solve for x
    x = 6,807,225,691.69/114,508.74
  6. Step 6: Final answer
    x = 59,447.22

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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.