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Finding the Fourth Proportional to 268,777.73, 403,070.54 and 88,829.86

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Solution

The fourth proportional to 268,777.73, 403,070.54 and 88,829.86 is: 133,213.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    268,777.73 : 403,070.54 = 88,829.86 : x
  2. Step 2: Convert to fraction form
    268,777.73/403,070.54 = 88,829.86/x
  3. Step 3: Cross multiply
    268,777.73x = 403,070.54 × 88,829.86
  4. Step 4: Simplify right side
    268,777.73x = 35,804,698,852.72
  5. Step 5: Solve for x
    x = 35,804,698,852.72/268,777.73
  6. Step 6: Final answer
    x = 133,213.04

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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.