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Finding the Fourth Proportional to 188,062.81, 259,526.68 and 107,492.07

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Solution

The fourth proportional to 188,062.81, 259,526.68 and 107,492.07 is: 148,339.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    188,062.81 : 259,526.68 = 107,492.07 : x
  2. Step 2: Convert to fraction form
    188,062.81/259,526.68 = 107,492.07/x
  3. Step 3: Cross multiply
    188,062.81x = 259,526.68 × 107,492.07
  4. Step 4: Simplify right side
    188,062.81x = 27,897,060,053.43
  5. Step 5: Solve for x
    x = 27,897,060,053.43/188,062.81
  6. Step 6: Final answer
    x = 148,339.06

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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.