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Finding the Fourth Proportional to 164,878.65, 247,144.83 and 104,953.03

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Solution

The fourth proportional to 164,878.65, 247,144.83 and 104,953.03 is: 157,319.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    164,878.65 : 247,144.83 = 104,953.03 : x
  2. Step 2: Convert to fraction form
    164,878.65/247,144.83 = 104,953.03/x
  3. Step 3: Cross multiply
    164,878.65x = 247,144.83 × 104,953.03
  4. Step 4: Simplify right side
    164,878.65x = 25,938,597,521.61
  5. Step 5: Solve for x
    x = 25,938,597,521.61/164,878.65
  6. Step 6: Final answer
    x = 157,319.32

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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.