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Finding the Fourth Proportional to 89,883.80, 124,039.49 and 49,597.53

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Solution

The fourth proportional to 89,883.80, 124,039.49 and 49,597.53 is: 68,444.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    89,883.80 : 124,039.49 = 49,597.53 : x
  2. Step 2: Convert to fraction form
    89,883.80/124,039.49 = 49,597.53/x
  3. Step 3: Cross multiply
    89,883.80x = 124,039.49 × 49,597.53
  4. Step 4: Simplify right side
    89,883.80x = 6,152,051,706.26
  5. Step 5: Solve for x
    x = 6,152,051,706.26/89,883.80
  6. Step 6: Final answer
    x = 68,444.50

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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.