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Finding the Fourth Proportional to 158,708.88, 238,007.96 and 69,913.95

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Solution

The fourth proportional to 158,708.88, 238,007.96 and 69,913.95 is: 104,846.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    158,708.88 : 238,007.96 = 69,913.95 : x
  2. Step 2: Convert to fraction form
    158,708.88/238,007.96 = 69,913.95/x
  3. Step 3: Cross multiply
    158,708.88x = 238,007.96 × 69,913.95
  4. Step 4: Simplify right side
    158,708.88x = 16,640,075,425.00
  5. Step 5: Solve for x
    x = 16,640,075,425.00/158,708.88
  6. Step 6: Final answer
    x = 104,846.53

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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.