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Finding the Fourth Proportional to 325,771.66, 488,537.70 and 112,485.52

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Solution

The fourth proportional to 325,771.66, 488,537.70 and 112,485.52 is: 168,686.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    325,771.66 : 488,537.70 = 112,485.52 : x
  2. Step 2: Convert to fraction form
    325,771.66/488,537.70 = 112,485.52/x
  3. Step 3: Cross multiply
    325,771.66x = 488,537.70 × 112,485.52
  4. Step 4: Simplify right side
    325,771.66x = 54,953,417,224.10
  5. Step 5: Solve for x
    x = 54,953,417,224.10/325,771.66
  6. Step 6: Final answer
    x = 168,686.92

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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.