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Finding the Fourth Proportional to 173,655.60, 260,512.20 and 73,863.60

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Solution

The fourth proportional to 173,655.60, 260,512.20 and 73,863.60 is: 110,807.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    173,655.60 : 260,512.20 = 73,863.60 : x
  2. Step 2: Convert to fraction form
    173,655.60/260,512.20 = 73,863.60/x
  3. Step 3: Cross multiply
    173,655.60x = 260,512.20 × 73,863.60
  4. Step 4: Simplify right side
    173,655.60x = 19,242,368,935.92
  5. Step 5: Solve for x
    x = 19,242,368,935.92/173,655.60
  6. Step 6: Final answer
    x = 110,807.65

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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.