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Finding the Fourth Proportional to 192,069.78, 265,071.30 and 107,199.60

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Solution

The fourth proportional to 192,069.78, 265,071.30 and 107,199.60 is: 147,943.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    192,069.78 : 265,071.30 = 107,199.60 : x
  2. Step 2: Convert to fraction form
    192,069.78/265,071.30 = 107,199.60/x
  3. Step 3: Cross multiply
    192,069.78x = 265,071.30 × 107,199.60
  4. Step 4: Simplify right side
    192,069.78x = 28,415,537,331.48
  5. Step 5: Solve for x
    x = 28,415,537,331.48/192,069.78
  6. Step 6: Final answer
    x = 147,943.82

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1.5x scale

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.