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Finding the Fourth Proportional to 89,888.76, 124,046.91 and 49,602.53

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Solution

The fourth proportional to 89,888.76, 124,046.91 and 49,602.53 is: 68,451.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    89,888.76 : 124,046.91 = 49,602.53 : x
  2. Step 2: Convert to fraction form
    89,888.76/124,046.91 = 49,602.53/x
  3. Step 3: Cross multiply
    89,888.76x = 124,046.91 × 49,602.53
  4. Step 4: Simplify right side
    89,888.76x = 6,153,039,954.45
  5. Step 5: Solve for x
    x = 6,153,039,954.45/89,888.76
  6. Step 6: Final answer
    x = 68,451.72

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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.