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Finding the Fourth Proportional to 98,950.53, 136,553.39 and 53,629.97

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Solution

The fourth proportional to 98,950.53, 136,553.39 and 53,629.97 is: 74,010.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    98,950.53 : 136,553.39 = 53,629.97 : x
  2. Step 2: Convert to fraction form
    98,950.53/136,553.39 = 53,629.97/x
  3. Step 3: Cross multiply
    98,950.53x = 136,553.39 × 53,629.97
  4. Step 4: Simplify right side
    98,950.53x = 7,323,353,258.18
  5. Step 5: Solve for x
    x = 7,323,353,258.18/98,950.53
  6. Step 6: Final answer
    x = 74,010.25

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1.5x scale

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.