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Finding the Fourth Proportional to 188,808.03, 260,636.72 and 134,999.55

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Solution

The fourth proportional to 188,808.03, 260,636.72 and 134,999.55 is: 186,357.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    188,808.03 : 260,636.72 = 134,999.55 : x
  2. Step 2: Convert to fraction form
    188,808.03/260,636.72 = 134,999.55/x
  3. Step 3: Cross multiply
    188,808.03x = 260,636.72 × 134,999.55
  4. Step 4: Simplify right side
    188,808.03x = 35,185,839,238.48
  5. Step 5: Solve for x
    x = 35,185,839,238.48/188,808.03
  6. Step 6: Final answer
    x = 186,357.75

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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.