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Finding the Fourth Proportional to 259,113.95, 357,386.92 and 171,741.04

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Solution

The fourth proportional to 259,113.95, 357,386.92 and 171,741.04 is: 236,876.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    259,113.95 : 357,386.92 = 171,741.04 : x
  2. Step 2: Convert to fraction form
    259,113.95/357,386.92 = 171,741.04/x
  3. Step 3: Cross multiply
    259,113.95x = 357,386.92 × 171,741.04
  4. Step 4: Simplify right side
    259,113.95x = 61,378,000,992.49
  5. Step 5: Solve for x
    x = 61,378,000,992.49/259,113.95
  6. Step 6: Final answer
    x = 236,876.48

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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.