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Finding the Fourth Proportional to 158,801.40, 238,007.70 and 69,960.60

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Solution

The fourth proportional to 158,801.40, 238,007.70 and 69,960.60 is: 104,855.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    158,801.40 : 238,007.70 = 69,960.60 : x
  2. Step 2: Convert to fraction form
    158,801.40/238,007.70 = 69,960.60/x
  3. Step 3: Cross multiply
    158,801.40x = 238,007.70 × 69,960.60
  4. Step 4: Simplify right side
    158,801.40x = 16,651,161,496.62
  5. Step 5: Solve for x
    x = 16,651,161,496.62/158,801.40
  6. Step 6: Final answer
    x = 104,855.26

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1.5x scale

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.