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Finding the Fourth Proportional to 98,773.04, 135,392.32 and 97,443.92

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Solution

The fourth proportional to 98,773.04, 135,392.32 and 97,443.92 is: 133,570.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    98,773.04 : 135,392.32 = 97,443.92 : x
  2. Step 2: Convert to fraction form
    98,773.04/135,392.32 = 97,443.92/x
  3. Step 3: Cross multiply
    98,773.04x = 135,392.32 × 97,443.92
  4. Step 4: Simplify right side
    98,773.04x = 13,193,158,398.69
  5. Step 5: Solve for x
    x = 13,193,158,398.69/98,773.04
  6. Step 6: Final answer
    x = 133,570.44

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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.