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Finding the Fourth Proportional to 164,554.86, 246,921.60 and 69,838.32

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Solution

The fourth proportional to 164,554.86, 246,921.60 and 69,838.32 is: 104,795.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    164,554.86 : 246,921.60 = 69,838.32 : x
  2. Step 2: Convert to fraction form
    164,554.86/246,921.60 = 69,838.32/x
  3. Step 3: Cross multiply
    164,554.86x = 246,921.60 × 69,838.32
  4. Step 4: Simplify right side
    164,554.86x = 17,244,589,715.71
  5. Step 5: Solve for x
    x = 17,244,589,715.71/164,554.86
  6. Step 6: Final answer
    x = 104,795.38

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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.