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Finding the Fourth Proportional to 127,455.88, 175,893.56 and 70,099.56

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Solution

The fourth proportional to 127,455.88, 175,893.56 and 70,099.56 is: 96,739.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    127,455.88 : 175,893.56 = 70,099.56 : x
  2. Step 2: Convert to fraction form
    127,455.88/175,893.56 = 70,099.56/x
  3. Step 3: Cross multiply
    127,455.88x = 175,893.56 × 70,099.56
  4. Step 4: Simplify right side
    127,455.88x = 12,330,061,162.83
  5. Step 5: Solve for x
    x = 12,330,061,162.83/127,455.88
  6. Step 6: Final answer
    x = 96,739.84

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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.