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Finding the Fourth Proportional to 70,239.24, 96,903 and 43,335

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Solution

The fourth proportional to 70,239.24, 96,903 and 43,335 is: 59,785.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,239.24 : 96,903 = 43,335 : x
  2. Step 2: Convert to fraction form
    70,239.24/96,903 = 43,335/x
  3. Step 3: Cross multiply
    70,239.24x = 96,903 × 43,335
  4. Step 4: Simplify right side
    70,239.24x = 4,199,291,505
  5. Step 5: Solve for x
    x = 4,199,291,505/70,239.24
  6. Step 6: Final answer
    x = 59,785.55

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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.