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Finding the Fourth Proportional to 127,454.88, 175,884.30 and 70,868.28

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Solution

The fourth proportional to 127,454.88, 175,884.30 and 70,868.28 is: 97,796.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    127,454.88 : 175,884.30 = 70,868.28 : x
  2. Step 2: Convert to fraction form
    127,454.88/175,884.30 = 70,868.28/x
  3. Step 3: Cross multiply
    127,454.88x = 175,884.30 × 70,868.28
  4. Step 4: Simplify right side
    127,454.88x = 12,464,617,820.00
  5. Step 5: Solve for x
    x = 12,464,617,820.00/127,454.88
  6. Step 6: Final answer
    x = 97,796.32

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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.