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Finding the Fourth Proportional to 173,378.56, 239,244.60 and 118,977.44

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Solution

The fourth proportional to 173,378.56, 239,244.60 and 118,977.44 is: 164,176.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    173,378.56 : 239,244.60 = 118,977.44 : x
  2. Step 2: Convert to fraction form
    173,378.56/239,244.60 = 118,977.44/x
  3. Step 3: Cross multiply
    173,378.56x = 239,244.60 × 118,977.44
  4. Step 4: Simplify right side
    173,378.56x = 28,464,710,041.82
  5. Step 5: Solve for x
    x = 28,464,710,041.82/173,378.56
  6. Step 6: Final answer
    x = 164,176.64

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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.