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Finding the Fourth Proportional to 357,046.52, 535,567.46 and 90,804.73

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Solution

The fourth proportional to 357,046.52, 535,567.46 and 90,804.73 is: 136,206.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    357,046.52 : 535,567.46 = 90,804.73 : x
  2. Step 2: Convert to fraction form
    357,046.52/535,567.46 = 90,804.73/x
  3. Step 3: Cross multiply
    357,046.52x = 535,567.46 × 90,804.73
  4. Step 4: Simplify right side
    357,046.52x = 48,632,058,324.11
  5. Step 5: Solve for x
    x = 48,632,058,324.11/357,046.52
  6. Step 6: Final answer
    x = 136,206.51

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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.