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Finding the Fourth Proportional to 137,373.44, 205,792.79 and 101,284.16

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Solution

The fourth proportional to 137,373.44, 205,792.79 and 101,284.16 is: 151,729.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    137,373.44 : 205,792.79 = 101,284.16 : x
  2. Step 2: Convert to fraction form
    137,373.44/205,792.79 = 101,284.16/x
  3. Step 3: Cross multiply
    137,373.44x = 205,792.79 × 101,284.16
  4. Step 4: Simplify right side
    137,373.44x = 20,843,548,333.82
  5. Step 5: Solve for x
    x = 20,843,548,333.82/137,373.44
  6. Step 6: Final answer
    x = 151,729.10

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.