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Finding the Fourth Proportional to 104,497.14, 144,250.20 and 70,551.60

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Solution

The fourth proportional to 104,497.14, 144,250.20 and 70,551.60 is: 97,391.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    104,497.14 : 144,250.20 = 70,551.60 : x
  2. Step 2: Convert to fraction form
    104,497.14/144,250.20 = 70,551.60/x
  3. Step 3: Cross multiply
    104,497.14x = 144,250.20 × 70,551.60
  4. Step 4: Simplify right side
    104,497.14x = 10,177,082,410.32
  5. Step 5: Solve for x
    x = 10,177,082,410.32/104,497.14
  6. Step 6: Final answer
    x = 97,391.01

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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.