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Finding the Fourth Proportional to 188,068.78, 259,497.84 and 111,573.55

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Solution

The fourth proportional to 188,068.78, 259,497.84 and 111,573.55 is: 153,949.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    188,068.78 : 259,497.84 = 111,573.55 : x
  2. Step 2: Convert to fraction form
    188,068.78/259,497.84 = 111,573.55/x
  3. Step 3: Cross multiply
    188,068.78x = 259,497.84 × 111,573.55
  4. Step 4: Simplify right side
    188,068.78x = 28,953,095,226.13
  5. Step 5: Solve for x
    x = 28,953,095,226.13/188,068.78
  6. Step 6: Final answer
    x = 153,949.50

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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.