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Finding the Fourth Proportional to 192,070.78, 265,072.68 and 107,200.60

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Solution

The fourth proportional to 192,070.78, 265,072.68 and 107,200.60 is: 147,945.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    192,070.78 : 265,072.68 = 107,200.60 : x
  2. Step 2: Convert to fraction form
    192,070.78/265,072.68 = 107,200.60/x
  3. Step 3: Cross multiply
    192,070.78x = 265,072.68 × 107,200.60
  4. Step 4: Simplify right side
    192,070.78x = 28,415,950,339.61
  5. Step 5: Solve for x
    x = 28,415,950,339.61/192,070.78
  6. Step 6: Final answer
    x = 147,945.20

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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.