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Finding the Fourth Proportional to 76,201.88, 105,195.06 and 50,750.60

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Solution

The fourth proportional to 76,201.88, 105,195.06 and 50,750.60 is: 70,060.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    76,201.88 : 105,195.06 = 50,750.60 : x
  2. Step 2: Convert to fraction form
    76,201.88/105,195.06 = 50,750.60/x
  3. Step 3: Cross multiply
    76,201.88x = 105,195.06 × 50,750.60
  4. Step 4: Simplify right side
    76,201.88x = 5,338,712,412.04
  5. Step 5: Solve for x
    x = 5,338,712,412.04/76,201.88
  6. Step 6: Final answer
    x = 70,060.11

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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.