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Finding the Fourth Proportional to 157,574.25, 236,362.24 and 39,245.60

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Solution

The fourth proportional to 157,574.25, 236,362.24 and 39,245.60 is: 58,868.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    157,574.25 : 236,362.24 = 39,245.60 : x
  2. Step 2: Convert to fraction form
    157,574.25/236,362.24 = 39,245.60/x
  3. Step 3: Cross multiply
    157,574.25x = 236,362.24 × 39,245.60
  4. Step 4: Simplify right side
    157,574.25x = 9,276,176,744.33
  5. Step 5: Solve for x
    x = 9,276,176,744.33/157,574.25
  6. Step 6: Final answer
    x = 58,868.61

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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.