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Finding the Fourth Proportional to 357,458.52, 536,187.44 and 91,219.04

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Solution

The fourth proportional to 357,458.52, 536,187.44 and 91,219.04 is: 136,828.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    357,458.52 : 536,187.44 = 91,219.04 : x
  2. Step 2: Convert to fraction form
    357,458.52/536,187.44 = 91,219.04/x
  3. Step 3: Cross multiply
    357,458.52x = 536,187.44 × 91,219.04
  4. Step 4: Simplify right side
    357,458.52x = 48,910,500,399.83
  5. Step 5: Solve for x
    x = 48,910,500,399.83/357,458.52
  6. Step 6: Final answer
    x = 136,828.46

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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.