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Finding the Fourth Proportional to 78,062.70, 117,010.08 and 33,710.34

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Solution

The fourth proportional to 78,062.70, 117,010.08 and 33,710.34 is: 50,529.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    78,062.70 : 117,010.08 = 33,710.34 : x
  2. Step 2: Convert to fraction form
    78,062.70/117,010.08 = 33,710.34/x
  3. Step 3: Cross multiply
    78,062.70x = 117,010.08 × 33,710.34
  4. Step 4: Simplify right side
    78,062.70x = 3,944,449,580.23
  5. Step 5: Solve for x
    x = 3,944,449,580.23/78,062.70
  6. Step 6: Final answer
    x = 50,529.25

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.