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Finding the Fourth Proportional to 157,100.61, 235,615.41 and 44,778.41

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Solution

The fourth proportional to 157,100.61, 235,615.41 and 44,778.41 is: 67,157.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    157,100.61 : 235,615.41 = 44,778.41 : x
  2. Step 2: Convert to fraction form
    157,100.61/235,615.41 = 44,778.41/x
  3. Step 3: Cross multiply
    157,100.61x = 235,615.41 × 44,778.41
  4. Step 4: Simplify right side
    157,100.61x = 10,550,483,431.30
  5. Step 5: Solve for x
    x = 10,550,483,431.30/157,100.61
  6. Step 6: Final answer
    x = 67,157.50

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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.