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Finding the Fourth Proportional to 97,322.88, 134,310.24 and 57,036

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Solution

The fourth proportional to 97,322.88, 134,310.24 and 57,036 is: 78,712.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    97,322.88 : 134,310.24 = 57,036 : x
  2. Step 2: Convert to fraction form
    97,322.88/134,310.24 = 57,036/x
  3. Step 3: Cross multiply
    97,322.88x = 134,310.24 × 57,036
  4. Step 4: Simplify right side
    97,322.88x = 7,660,518,848.64
  5. Step 5: Solve for x
    x = 7,660,518,848.64/97,322.88
  6. Step 6: Final answer
    x = 78,712.41

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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.