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Finding the Fourth Proportional to 157,208.34, 235,821.74 and 44,879.92

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Solution

The fourth proportional to 157,208.34, 235,821.74 and 44,879.92 is: 67,322.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    157,208.34 : 235,821.74 = 44,879.92 : x
  2. Step 2: Convert to fraction form
    157,208.34/235,821.74 = 44,879.92/x
  3. Step 3: Cross multiply
    157,208.34x = 235,821.74 × 44,879.92
  4. Step 4: Simplify right side
    157,208.34x = 10,583,660,825.46
  5. Step 5: Solve for x
    x = 10,583,660,825.46/157,208.34
  6. Step 6: Final answer
    x = 67,322.51

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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.