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Finding the Fourth Proportional to 73,298.40, 109,945.58 and 23,381.48

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Solution

The fourth proportional to 73,298.40, 109,945.58 and 23,381.48 is: 35,071.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    73,298.40 : 109,945.58 = 23,381.48 : x
  2. Step 2: Convert to fraction form
    73,298.40/109,945.58 = 23,381.48/x
  3. Step 3: Cross multiply
    73,298.40x = 109,945.58 × 23,381.48
  4. Step 4: Simplify right side
    73,298.40x = 2,570,689,713.22
  5. Step 5: Solve for x
    x = 2,570,689,713.22/73,298.40
  6. Step 6: Final answer
    x = 35,071.57

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.