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Finding the Fourth Proportional to 453,842.94, 680,838.29 and 134,027.15

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Solution

The fourth proportional to 453,842.94, 680,838.29 and 134,027.15 is: 201,062.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    453,842.94 : 680,838.29 = 134,027.15 : x
  2. Step 2: Convert to fraction form
    453,842.94/680,838.29 = 134,027.15/x
  3. Step 3: Cross multiply
    453,842.94x = 680,838.29 × 134,027.15
  4. Step 4: Simplify right side
    453,842.94x = 91,250,811,545.25
  5. Step 5: Solve for x
    x = 91,250,811,545.25/453,842.94
  6. Step 6: Final answer
    x = 201,062.53

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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.