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Finding the Fourth Proportional to 178,765.63, 246,697.59 and 98,190.48

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Solution

The fourth proportional to 178,765.63, 246,697.59 and 98,190.48 is: 135,503.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    178,765.63 : 246,697.59 = 98,190.48 : x
  2. Step 2: Convert to fraction form
    178,765.63/246,697.59 = 98,190.48/x
  3. Step 3: Cross multiply
    178,765.63x = 246,697.59 × 98,190.48
  4. Step 4: Simplify right side
    178,765.63x = 24,223,353,543.46
  5. Step 5: Solve for x
    x = 24,223,353,543.46/178,765.63
  6. Step 6: Final answer
    x = 135,503.42

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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.