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Finding the Fourth Proportional to 115,492.31, 173,208.39 and 48,898.16

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Solution

The fourth proportional to 115,492.31, 173,208.39 and 48,898.16 is: 73,334.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    115,492.31 : 173,208.39 = 48,898.16 : x
  2. Step 2: Convert to fraction form
    115,492.31/173,208.39 = 48,898.16/x
  3. Step 3: Cross multiply
    115,492.31x = 173,208.39 × 48,898.16
  4. Step 4: Simplify right side
    115,492.31x = 8,469,570,701.52
  5. Step 5: Solve for x
    x = 8,469,570,701.52/115,492.31
  6. Step 6: Final answer
    x = 73,334.50

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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.