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Finding the Fourth Proportional to 149,455.70, 224,529.15 and 102,799.70

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Solution

The fourth proportional to 149,455.70, 224,529.15 and 102,799.70 is: 154,437.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    149,455.70 : 224,529.15 = 102,799.70 : x
  2. Step 2: Convert to fraction form
    149,455.70/224,529.15 = 102,799.70/x
  3. Step 3: Cross multiply
    149,455.70x = 224,529.15 × 102,799.70
  4. Step 4: Simplify right side
    149,455.70x = 23,081,529,261.26
  5. Step 5: Solve for x
    x = 23,081,529,261.26/149,455.70
  6. Step 6: Final answer
    x = 154,437.26

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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.