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Finding the Fourth Proportional to 453,842.68, 680,837.89 and 134,026.89

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Solution

The fourth proportional to 453,842.68, 680,837.89 and 134,026.89 is: 201,062.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    453,842.68 : 680,837.89 = 134,026.89 : x
  2. Step 2: Convert to fraction form
    453,842.68/680,837.89 = 134,026.89/x
  3. Step 3: Cross multiply
    453,842.68x = 680,837.89 × 134,026.89
  4. Step 4: Simplify right side
    453,842.68x = 91,250,582,947.01
  5. Step 5: Solve for x
    x = 91,250,582,947.01/453,842.68
  6. Step 6: Final answer
    x = 201,062.15

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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.