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Finding the Fourth Proportional to 101,908.96, 152,906.64 and 49,357.60

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Solution

The fourth proportional to 101,908.96, 152,906.64 and 49,357.60 is: 74,057.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    101,908.96 : 152,906.64 = 49,357.60 : x
  2. Step 2: Convert to fraction form
    101,908.96/152,906.64 = 49,357.60/x
  3. Step 3: Cross multiply
    101,908.96x = 152,906.64 × 49,357.60
  4. Step 4: Simplify right side
    101,908.96x = 7,547,104,774.46
  5. Step 5: Solve for x
    x = 7,547,104,774.46/101,908.96
  6. Step 6: Final answer
    x = 74,057.32

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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.