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Finding the Fourth Proportional to 127,270.80, 175,623.26 and 69,907.16

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Solution

The fourth proportional to 127,270.80, 175,623.26 and 69,907.16 is: 96,466.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    127,270.80 : 175,623.26 = 69,907.16 : x
  2. Step 2: Convert to fraction form
    127,270.80/175,623.26 = 69,907.16/x
  3. Step 3: Cross multiply
    127,270.80x = 175,623.26 × 69,907.16
  4. Step 4: Simplify right side
    127,270.80x = 12,277,322,108.89
  5. Step 5: Solve for x
    x = 12,277,322,108.89/127,270.80
  6. Step 6: Final answer
    x = 96,466.13

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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.