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Finding the Fourth Proportional to 119,475.40, 164,874.75 and 65,759.26

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Solution

The fourth proportional to 119,475.40, 164,874.75 and 65,759.26 is: 90,747.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    119,475.40 : 164,874.75 = 65,759.26 : x
  2. Step 2: Convert to fraction form
    119,475.40/164,874.75 = 65,759.26/x
  3. Step 3: Cross multiply
    119,475.40x = 164,874.75 × 65,759.26
  4. Step 4: Simplify right side
    119,475.40x = 10,842,041,223.89
  5. Step 5: Solve for x
    x = 10,842,041,223.89/119,475.40
  6. Step 6: Final answer
    x = 90,747.06

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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.