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Finding the Fourth Proportional to 188,045.82, 259,520.98 and 107,457.82

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Solution

The fourth proportional to 188,045.82, 259,520.98 and 107,457.82 is: 148,301.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    188,045.82 : 259,520.98 = 107,457.82 : x
  2. Step 2: Convert to fraction form
    188,045.82/259,520.98 = 107,457.82/x
  3. Step 3: Cross multiply
    188,045.82x = 259,520.98 × 107,457.82
  4. Step 4: Simplify right side
    188,045.82x = 27,887,558,755.06
  5. Step 5: Solve for x
    x = 27,887,558,755.06/188,045.82
  6. Step 6: Final answer
    x = 148,301.93

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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.