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Finding the Fourth Proportional to 98,552.53, 136,002.51 and 53,840.53

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Solution

The fourth proportional to 98,552.53, 136,002.51 and 53,840.53 is: 74,299.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    98,552.53 : 136,002.51 = 53,840.53 : x
  2. Step 2: Convert to fraction form
    98,552.53/136,002.51 = 53,840.53/x
  3. Step 3: Cross multiply
    98,552.53x = 136,002.51 × 53,840.53
  4. Step 4: Simplify right side
    98,552.53x = 7,322,447,389.73
  5. Step 5: Solve for x
    x = 7,322,447,389.73/98,552.53
  6. Step 6: Final answer
    x = 74,299.94

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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.