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Finding the Fourth Proportional to 357,093.31, 535,674.54 and 104,368.12

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Solution

The fourth proportional to 357,093.31, 535,674.54 and 104,368.12 is: 156,562.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    357,093.31 : 535,674.54 = 104,368.12 : x
  2. Step 2: Convert to fraction form
    357,093.31/535,674.54 = 104,368.12/x
  3. Step 3: Cross multiply
    357,093.31x = 535,674.54 × 104,368.12
  4. Step 4: Simplify right side
    357,093.31x = 55,907,344,671.66
  5. Step 5: Solve for x
    x = 55,907,344,671.66/357,093.31
  6. Step 6: Final answer
    x = 156,562.29

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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.