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Finding the Fourth Proportional to 164,411.47, 246,642.99 and 69,641.92

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Solution

The fourth proportional to 164,411.47, 246,642.99 and 69,641.92 is: 104,473.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    164,411.47 : 246,642.99 = 69,641.92 : x
  2. Step 2: Convert to fraction form
    164,411.47/246,642.99 = 69,641.92/x
  3. Step 3: Cross multiply
    164,411.47x = 246,642.99 × 69,641.92
  4. Step 4: Simplify right side
    164,411.47x = 17,176,691,378.14
  5. Step 5: Solve for x
    x = 17,176,691,378.14/164,411.47
  6. Step 6: Final answer
    x = 104,473.81

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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.