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Finding the Fourth Proportional to 73,813.23, 101,860.43 and 41,980.10

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Solution

The fourth proportional to 73,813.23, 101,860.43 and 41,980.10 is: 57,931.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    73,813.23 : 101,860.43 = 41,980.10 : x
  2. Step 2: Convert to fraction form
    73,813.23/101,860.43 = 41,980.10/x
  3. Step 3: Cross multiply
    73,813.23x = 101,860.43 × 41,980.10
  4. Step 4: Simplify right side
    73,813.23x = 4,276,110,318.24
  5. Step 5: Solve for x
    x = 4,276,110,318.24/73,813.23
  6. Step 6: Final answer
    x = 57,931.49

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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.