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Finding the Fourth Proportional to 114,378.82, 171,591.13 and 39,501.70

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Solution

The fourth proportional to 114,378.82, 171,591.13 and 39,501.70 is: 59,260.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    114,378.82 : 171,591.13 = 39,501.70 : x
  2. Step 2: Convert to fraction form
    114,378.82/171,591.13 = 39,501.70/x
  3. Step 3: Cross multiply
    114,378.82x = 171,591.13 × 39,501.70
  4. Step 4: Simplify right side
    114,378.82x = 6,778,141,339.92
  5. Step 5: Solve for x
    x = 6,778,141,339.92/114,378.82
  6. Step 6: Final answer
    x = 59,260.46

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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.