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Finding the Fourth Proportional to 117,737.36, 162,478.36 and 64,022.96

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Solution

The fourth proportional to 117,737.36, 162,478.36 and 64,022.96 is: 88,352.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    117,737.36 : 162,478.36 = 64,022.96 : x
  2. Step 2: Convert to fraction form
    117,737.36/162,478.36 = 64,022.96/x
  3. Step 3: Cross multiply
    117,737.36x = 162,478.36 × 64,022.96
  4. Step 4: Simplify right side
    117,737.36x = 10,402,345,543.15
  5. Step 5: Solve for x
    x = 10,402,345,543.15/117,737.36
  6. Step 6: Final answer
    x = 88,352.12

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.