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Finding the Fourth Proportional to 173,663.51, 260,495.45 and 55,334.75

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Solution

The fourth proportional to 173,663.51, 260,495.45 and 55,334.75 is: 83,002.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    173,663.51 : 260,495.45 = 55,334.75 : x
  2. Step 2: Convert to fraction form
    173,663.51/260,495.45 = 55,334.75/x
  3. Step 3: Cross multiply
    173,663.51x = 260,495.45 × 55,334.75
  4. Step 4: Simplify right side
    173,663.51x = 14,414,450,325.21
  5. Step 5: Solve for x
    x = 14,414,450,325.21/173,663.51
  6. Step 6: Final answer
    x = 83,002.18

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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.