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Finding the Fourth Proportional to 259,117.29, 388,883.30 and 134,493.93

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Solution

The fourth proportional to 259,117.29, 388,883.30 and 134,493.93 is: 201,848.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    259,117.29 : 388,883.30 = 134,493.93 : x
  2. Step 2: Convert to fraction form
    259,117.29/388,883.30 = 134,493.93/x
  3. Step 3: Cross multiply
    259,117.29x = 388,883.30 × 134,493.93
  4. Step 4: Simplify right side
    259,117.29x = 52,302,442,655.90
  5. Step 5: Solve for x
    x = 52,302,442,655.90/259,117.29
  6. Step 6: Final answer
    x = 201,848.52

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.