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Finding the Fourth Proportional to 97,773.49, 134,929.34 and 63,803.71

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Solution

The fourth proportional to 97,773.49, 134,929.34 and 63,803.71 is: 88,050.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    97,773.49 : 134,929.34 = 63,803.71 : x
  2. Step 2: Convert to fraction form
    97,773.49/134,929.34 = 63,803.71/x
  3. Step 3: Cross multiply
    97,773.49x = 134,929.34 × 63,803.71
  4. Step 4: Simplify right side
    97,773.49x = 8,608,992,498.16
  5. Step 5: Solve for x
    x = 8,608,992,498.16/97,773.49
  6. Step 6: Final answer
    x = 88,050.37

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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.