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Finding the Fourth Proportional to 188,892.06, 260,670.79 and 104,008.38

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Solution

The fourth proportional to 188,892.06, 260,670.79 and 104,008.38 is: 143,531.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    188,892.06 : 260,670.79 = 104,008.38 : x
  2. Step 2: Convert to fraction form
    188,892.06/260,670.79 = 104,008.38/x
  3. Step 3: Cross multiply
    188,892.06x = 260,670.79 × 104,008.38
  4. Step 4: Simplify right side
    188,892.06x = 27,111,946,581.22
  5. Step 5: Solve for x
    x = 27,111,946,581.22/188,892.06
  6. Step 6: Final answer
    x = 143,531.43

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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.