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Finding the Fourth Proportional to 127,192.63, 175,512.83 and 73,494.95

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Solution

The fourth proportional to 127,192.63, 175,512.83 and 73,494.95 is: 101,415.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    127,192.63 : 175,512.83 = 73,494.95 : x
  2. Step 2: Convert to fraction form
    127,192.63/175,512.83 = 73,494.95/x
  3. Step 3: Cross multiply
    127,192.63x = 175,512.83 × 73,494.95
  4. Step 4: Simplify right side
    127,192.63x = 12,899,305,420.17
  5. Step 5: Solve for x
    x = 12,899,305,420.17/127,192.63
  6. Step 6: Final answer
    x = 101,415.51

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.