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Finding the Fourth Proportional to 117,014.97, 175,411.74 and 72,063.97

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Solution

The fourth proportional to 117,014.97, 175,411.74 and 72,063.97 is: 108,027.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    117,014.97 : 175,411.74 = 72,063.97 : x
  2. Step 2: Convert to fraction form
    117,014.97/175,411.74 = 72,063.97/x
  3. Step 3: Cross multiply
    117,014.97x = 175,411.74 × 72,063.97
  4. Step 4: Simplify right side
    117,014.97x = 12,640,866,369.01
  5. Step 5: Solve for x
    x = 12,640,866,369.01/117,014.97
  6. Step 6: Final answer
    x = 108,027.77

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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.