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Finding the Fourth Proportional to 101,918.92, 152,905.43 and 35,358.88

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Solution

The fourth proportional to 101,918.92, 152,905.43 and 35,358.88 is: 53,047.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    101,918.92 : 152,905.43 = 35,358.88 : x
  2. Step 2: Convert to fraction form
    101,918.92/152,905.43 = 35,358.88/x
  3. Step 3: Cross multiply
    101,918.92x = 152,905.43 × 35,358.88
  4. Step 4: Simplify right side
    101,918.92x = 5,406,564,750.72
  5. Step 5: Solve for x
    x = 5,406,564,750.72/101,918.92
  6. Step 6: Final answer
    x = 53,047.70

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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.