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Finding the Fourth Proportional to 73,813.23, 101,867.90 and 41,980.23

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Solution

The fourth proportional to 73,813.23, 101,867.90 and 41,980.23 is: 57,935.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    73,813.23 : 101,867.90 = 41,980.23 : x
  2. Step 2: Convert to fraction form
    73,813.23/101,867.90 = 41,980.23/x
  3. Step 3: Cross multiply
    73,813.23x = 101,867.90 × 41,980.23
  4. Step 4: Simplify right side
    73,813.23x = 4,276,437,661.72
  5. Step 5: Solve for x
    x = 4,276,437,661.72/73,813.23
  6. Step 6: Final answer
    x = 57,935.92

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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.