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Finding the Fourth Proportional to 102,645.59, 153,972.68 and 35,223.98

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Solution

The fourth proportional to 102,645.59, 153,972.68 and 35,223.98 is: 52,837.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    102,645.59 : 153,972.68 = 35,223.98 : x
  2. Step 2: Convert to fraction form
    102,645.59/153,972.68 = 35,223.98/x
  3. Step 3: Cross multiply
    102,645.59x = 153,972.68 × 35,223.98
  4. Step 4: Simplify right side
    102,645.59x = 5,423,529,654.88
  5. Step 5: Solve for x
    x = 5,423,529,654.88/102,645.59
  6. Step 6: Final answer
    x = 52,837.44

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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.