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Finding the Fourth Proportional to 88,646.84, 122,323.20 and 49,883.98

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Solution

The fourth proportional to 88,646.84, 122,323.20 and 49,883.98 is: 68,834.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    88,646.84 : 122,323.20 = 49,883.98 : x
  2. Step 2: Convert to fraction form
    88,646.84/122,323.20 = 49,883.98/x
  3. Step 3: Cross multiply
    88,646.84x = 122,323.20 × 49,883.98
  4. Step 4: Simplify right side
    88,646.84x = 6,101,968,062.34
  5. Step 5: Solve for x
    x = 6,101,968,062.34/88,646.84
  6. Step 6: Final answer
    x = 68,834.58

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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.