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Finding the Fourth Proportional to 88,843.90, 122,592.74 and 57,055.86

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Solution

The fourth proportional to 88,843.90, 122,592.74 and 57,055.86 is: 78,729.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    88,843.90 : 122,592.74 = 57,055.86 : x
  2. Step 2: Convert to fraction form
    88,843.90/122,592.74 = 57,055.86/x
  3. Step 3: Cross multiply
    88,843.90x = 122,592.74 × 57,055.86
  4. Step 4: Simplify right side
    88,843.90x = 6,994,634,210.46
  5. Step 5: Solve for x
    x = 6,994,634,210.46/88,843.90
  6. Step 6: Final answer
    x = 78,729.48

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.