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Finding the Fourth Proportional to 188,550.78, 260,126.10 and 107,935.02

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Solution

The fourth proportional to 188,550.78, 260,126.10 and 107,935.02 is: 148,907.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    188,550.78 : 260,126.10 = 107,935.02 : x
  2. Step 2: Convert to fraction form
    188,550.78/260,126.10 = 107,935.02/x
  3. Step 3: Cross multiply
    188,550.78x = 260,126.10 × 107,935.02
  4. Step 4: Simplify right side
    188,550.78x = 28,076,715,806.02
  5. Step 5: Solve for x
    x = 28,076,715,806.02/188,550.78
  6. Step 6: Final answer
    x = 148,907.98

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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.