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Finding the Fourth Proportional to 124,473.36, 171,768.96 and 70,760.64

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Solution

The fourth proportional to 124,473.36, 171,768.96 and 70,760.64 is: 97,647.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    124,473.36 : 171,768.96 = 70,760.64 : x
  2. Step 2: Convert to fraction form
    124,473.36/171,768.96 = 70,760.64/x
  3. Step 3: Cross multiply
    124,473.36x = 171,768.96 × 70,760.64
  4. Step 4: Simplify right side
    124,473.36x = 12,154,481,541.73
  5. Step 5: Solve for x
    x = 12,154,481,541.73/124,473.36
  6. Step 6: Final answer
    x = 97,647.25

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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.