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Finding the Fourth Proportional to 259,556.96, 358,180.80 and 144,838.72

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Solution

The fourth proportional to 259,556.96, 358,180.80 and 144,838.72 is: 199,873.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    259,556.96 : 358,180.80 = 144,838.72 : x
  2. Step 2: Convert to fraction form
    259,556.96/358,180.80 = 144,838.72/x
  3. Step 3: Cross multiply
    259,556.96x = 358,180.80 × 144,838.72
  4. Step 4: Simplify right side
    259,556.96x = 51,878,448,600.58
  5. Step 5: Solve for x
    x = 51,878,448,600.58/259,556.96
  6. Step 6: Final answer
    x = 199,873.08

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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.