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Finding the Fourth Proportional to 65,338.84, 98,008.35 and 43,292.26

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Solution

The fourth proportional to 65,338.84, 98,008.35 and 43,292.26 is: 64,938.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    65,338.84 : 98,008.35 = 43,292.26 : x
  2. Step 2: Convert to fraction form
    65,338.84/98,008.35 = 43,292.26/x
  3. Step 3: Cross multiply
    65,338.84x = 98,008.35 × 43,292.26
  4. Step 4: Simplify right side
    65,338.84x = 4,243,002,970.37
  5. Step 5: Solve for x
    x = 4,243,002,970.37/65,338.84
  6. Step 6: Final answer
    x = 64,938.45

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.