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Finding the Fourth Proportional to 164,792.80, 247,188.47 and 70,008.44

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Solution

The fourth proportional to 164,792.80, 247,188.47 and 70,008.44 is: 105,012.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    164,792.80 : 247,188.47 = 70,008.44 : x
  2. Step 2: Convert to fraction form
    164,792.80/247,188.47 = 70,008.44/x
  3. Step 3: Cross multiply
    164,792.80x = 247,188.47 × 70,008.44
  4. Step 4: Simplify right side
    164,792.80x = 17,305,279,170.69
  5. Step 5: Solve for x
    x = 17,305,279,170.69/164,792.80
  6. Step 6: Final answer
    x = 105,012.35

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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.