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Finding the Fourth Proportional to 73,407.33, 101,347.61 and 65,840.31

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Solution

The fourth proportional to 73,407.33, 101,347.61 and 65,840.31 is: 90,900.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    73,407.33 : 101,347.61 = 65,840.31 : x
  2. Step 2: Convert to fraction form
    73,407.33/101,347.61 = 65,840.31/x
  3. Step 3: Cross multiply
    73,407.33x = 101,347.61 × 65,840.31
  4. Step 4: Simplify right side
    73,407.33x = 6,672,757,730.96
  5. Step 5: Solve for x
    x = 6,672,757,730.96/73,407.33
  6. Step 6: Final answer
    x = 90,900.43

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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.