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Finding the Fourth Proportional to 240,308.93, 359,806.61 and 172,908.32

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Solution

The fourth proportional to 240,308.93, 359,806.61 and 172,908.32 is: 258,889.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    240,308.93 : 359,806.61 = 172,908.32 : x
  2. Step 2: Convert to fraction form
    240,308.93/359,806.61 = 172,908.32/x
  3. Step 3: Cross multiply
    240,308.93x = 359,806.61 × 172,908.32
  4. Step 4: Simplify right side
    240,308.93x = 62,213,556,144.54
  5. Step 5: Solve for x
    x = 62,213,556,144.54/240,308.93
  6. Step 6: Final answer
    x = 258,889.91

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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.