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Finding the Fourth Proportional to 86,846.37, 119,809.95 and 51,020.22

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Solution

The fourth proportional to 86,846.37, 119,809.95 and 51,020.22 is: 70,385.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    86,846.37 : 119,809.95 = 51,020.22 : x
  2. Step 2: Convert to fraction form
    86,846.37/119,809.95 = 51,020.22/x
  3. Step 3: Cross multiply
    86,846.37x = 119,809.95 × 51,020.22
  4. Step 4: Simplify right side
    86,846.37x = 6,112,730,007.19
  5. Step 5: Solve for x
    x = 6,112,730,007.19/86,846.37
  6. Step 6: Final answer
    x = 70,385.56

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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.