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Finding the Fourth Proportional to 127,208.88, 175,542.12 and 73,495.44

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Solution

The fourth proportional to 127,208.88, 175,542.12 and 73,495.44 is: 101,420.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    127,208.88 : 175,542.12 = 73,495.44 : x
  2. Step 2: Convert to fraction form
    127,208.88/175,542.12 = 73,495.44/x
  3. Step 3: Cross multiply
    127,208.88x = 175,542.12 × 73,495.44
  4. Step 4: Simplify right side
    127,208.88x = 12,901,545,347.93
  5. Step 5: Solve for x
    x = 12,901,545,347.93/127,208.88
  6. Step 6: Final answer
    x = 101,420.16

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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.