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Finding the Fourth Proportional to 70,975.44, 97,235.28 and 68,316.48

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Solution

The fourth proportional to 70,975.44, 97,235.28 and 68,316.48 is: 93,592.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,975.44 : 97,235.28 = 68,316.48 : x
  2. Step 2: Convert to fraction form
    70,975.44/97,235.28 = 68,316.48/x
  3. Step 3: Cross multiply
    70,975.44x = 97,235.28 × 68,316.48
  4. Step 4: Simplify right side
    70,975.44x = 6,642,772,061.41
  5. Step 5: Solve for x
    x = 6,642,772,061.41/70,975.44
  6. Step 6: Final answer
    x = 93,592.54

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Why These Related Problems?

These problems maintain the same ratio (1.37) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.