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Finding the Fourth Proportional to 70,497.81, 97,310.25 and 63,024.43

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Solution

The fourth proportional to 70,497.81, 97,310.25 and 63,024.43 is: 86,994.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,497.81 : 97,310.25 = 63,024.43 : x
  2. Step 2: Convert to fraction form
    70,497.81/97,310.25 = 63,024.43/x
  3. Step 3: Cross multiply
    70,497.81x = 97,310.25 × 63,024.43
  4. Step 4: Simplify right side
    70,497.81x = 6,132,923,039.41
  5. Step 5: Solve for x
    x = 6,132,923,039.41/70,497.81
  6. Step 6: Final answer
    x = 86,994.52

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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.