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Finding the Fourth Proportional to 188,536.77, 260,181.72 and 103,659.30

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Solution

The fourth proportional to 188,536.77, 260,181.72 and 103,659.30 is: 143,050.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    188,536.77 : 260,181.72 = 103,659.30 : x
  2. Step 2: Convert to fraction form
    188,536.77/260,181.72 = 103,659.30/x
  3. Step 3: Cross multiply
    188,536.77x = 260,181.72 × 103,659.30
  4. Step 4: Simplify right side
    188,536.77x = 26,970,254,968.00
  5. Step 5: Solve for x
    x = 26,970,254,968.00/188,536.77
  6. Step 6: Final answer
    x = 143,050.37

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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.