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Finding the Fourth Proportional to 188,282.64, 259,820.56 and 106,598.16

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Solution

The fourth proportional to 188,282.64, 259,820.56 and 106,598.16 is: 147,100.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    188,282.64 : 259,820.56 = 106,598.16 : x
  2. Step 2: Convert to fraction form
    188,282.64/259,820.56 = 106,598.16/x
  3. Step 3: Cross multiply
    188,282.64x = 259,820.56 × 106,598.16
  4. Step 4: Simplify right side
    188,282.64x = 27,696,393,626.17
  5. Step 5: Solve for x
    x = 27,696,393,626.17/188,282.64
  6. Step 6: Final answer
    x = 147,100.09

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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.