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Finding the Fourth Proportional to 73,809.03, 101,856.70 and 41,980.15

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Solution

The fourth proportional to 73,809.03, 101,856.70 and 41,980.15 is: 57,932.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    73,809.03 : 101,856.70 = 41,980.15 : x
  2. Step 2: Convert to fraction form
    73,809.03/101,856.70 = 41,980.15/x
  3. Step 3: Cross multiply
    73,809.03x = 101,856.70 × 41,980.15
  4. Step 4: Simplify right side
    73,809.03x = 4,275,959,544.51
  5. Step 5: Solve for x
    x = 4,275,959,544.51/73,809.03
  6. Step 6: Final answer
    x = 57,932.74

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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.