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Finding the Fourth Proportional to 73,833.64, 101,890.74 and 40,300.36

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Solution

The fourth proportional to 73,833.64, 101,890.74 and 40,300.36 is: 55,614.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    73,833.64 : 101,890.74 = 40,300.36 : x
  2. Step 2: Convert to fraction form
    73,833.64/101,890.74 = 40,300.36/x
  3. Step 3: Cross multiply
    73,833.64x = 101,890.74 × 40,300.36
  4. Step 4: Simplify right side
    73,833.64x = 4,106,233,502.67
  5. Step 5: Solve for x
    x = 4,106,233,502.67/73,833.64
  6. Step 6: Final answer
    x = 55,614.67

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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.