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Finding the Fourth Proportional to 69,955.43, 104,870.16 and 25,551.02

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Solution

The fourth proportional to 69,955.43, 104,870.16 and 25,551.02 is: 38,303.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    69,955.43 : 104,870.16 = 25,551.02 : x
  2. Step 2: Convert to fraction form
    69,955.43/104,870.16 = 25,551.02/x
  3. Step 3: Cross multiply
    69,955.43x = 104,870.16 × 25,551.02
  4. Step 4: Simplify right side
    69,955.43x = 2,679,539,817.74
  5. Step 5: Solve for x
    x = 2,679,539,817.74/69,955.43
  6. Step 6: Final answer
    x = 38,303.53

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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.