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Finding the Fourth Proportional to 70,164.37, 96,929.28 and 60,716.53

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Solution

The fourth proportional to 70,164.37, 96,929.28 and 60,716.53 is: 83,877.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,164.37 : 96,929.28 = 60,716.53 : x
  2. Step 2: Convert to fraction form
    70,164.37/96,929.28 = 60,716.53/x
  3. Step 3: Cross multiply
    70,164.37x = 96,929.28 × 60,716.53
  4. Step 4: Simplify right side
    70,164.37x = 5,885,209,294.68
  5. Step 5: Solve for x
    x = 5,885,209,294.68/70,164.37
  6. Step 6: Final answer
    x = 83,877.47

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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.