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Finding the Fourth Proportional to 105,649.97, 158,672.39 and 93,004.25

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Solution

The fourth proportional to 105,649.97, 158,672.39 and 93,004.25 is: 139,680.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    105,649.97 : 158,672.39 = 93,004.25 : x
  2. Step 2: Convert to fraction form
    105,649.97/158,672.39 = 93,004.25/x
  3. Step 3: Cross multiply
    105,649.97x = 158,672.39 × 93,004.25
  4. Step 4: Simplify right side
    105,649.97x = 14,757,205,369.27
  5. Step 5: Solve for x
    x = 14,757,205,369.27/105,649.97
  6. Step 6: Final answer
    x = 139,680.17

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1.5x scale

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.