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Finding the Fourth Proportional to 106,357.91, 146,780.44 and 58,611.24

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Solution

The fourth proportional to 106,357.91, 146,780.44 and 58,611.24 is: 80,887.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    106,357.91 : 146,780.44 = 58,611.24 : x
  2. Step 2: Convert to fraction form
    106,357.91/146,780.44 = 58,611.24/x
  3. Step 3: Cross multiply
    106,357.91x = 146,780.44 × 58,611.24
  4. Step 4: Simplify right side
    106,357.91x = 8,602,983,449.62
  5. Step 5: Solve for x
    x = 8,602,983,449.62/106,357.91
  6. Step 6: Final answer
    x = 80,887.11

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.