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Finding the Fourth Proportional to 325,102.86, 487,664.19 and 88,450.74

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Solution

The fourth proportional to 325,102.86, 487,664.19 and 88,450.74 is: 132,678.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    325,102.86 : 487,664.19 = 88,450.74 : x
  2. Step 2: Convert to fraction form
    325,102.86/487,664.19 = 88,450.74/x
  3. Step 3: Cross multiply
    325,102.86x = 487,664.19 × 88,450.74
  4. Step 4: Simplify right side
    325,102.86x = 43,134,258,477.00
  5. Step 5: Solve for x
    x = 43,134,258,477.00/325,102.86
  6. Step 6: Final answer
    x = 132,678.80

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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.