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Finding the Fourth Proportional to 107,602, 161,428.92 and 33,730

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Solution

The fourth proportional to 107,602, 161,428.92 and 33,730 is: 50,603.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    107,602 : 161,428.92 = 33,730 : x
  2. Step 2: Convert to fraction form
    107,602/161,428.92 = 33,730/x
  3. Step 3: Cross multiply
    107,602x = 161,428.92 × 33,730
  4. Step 4: Simplify right side
    107,602x = 5,444,997,471.60
  5. Step 5: Solve for x
    x = 5,444,997,471.60/107,602
  6. Step 6: Final answer
    x = 50,603.13

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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.