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Finding the Fourth Proportional to 173,803.90, 260,495.32 and 73,753.92

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Solution

The fourth proportional to 173,803.90, 260,495.32 and 73,753.92 is: 110,541.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    173,803.90 : 260,495.32 = 73,753.92 : x
  2. Step 2: Convert to fraction form
    173,803.90/260,495.32 = 73,753.92/x
  3. Step 3: Cross multiply
    173,803.90x = 260,495.32 × 73,753.92
  4. Step 4: Simplify right side
    173,803.90x = 19,212,550,005.48
  5. Step 5: Solve for x
    x = 19,212,550,005.48/173,803.90
  6. Step 6: Final answer
    x = 110,541.53

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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.