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Finding the Fourth Proportional to 117,572.60, 176,389.28 and 50,997.48

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Solution

The fourth proportional to 117,572.60, 176,389.28 and 50,997.48 is: 76,509.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    117,572.60 : 176,389.28 = 50,997.48 : x
  2. Step 2: Convert to fraction form
    117,572.60/176,389.28 = 50,997.48/x
  3. Step 3: Cross multiply
    117,572.60x = 176,389.28 × 50,997.48
  4. Step 4: Simplify right side
    117,572.60x = 8,995,408,779.01
  5. Step 5: Solve for x
    x = 8,995,408,779.01/117,572.60
  6. Step 6: Final answer
    x = 76,509.40

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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.