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Finding the Fourth Proportional to 248,751, 343,285.65 and 141,339.23

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Solution

The fourth proportional to 248,751, 343,285.65 and 141,339.23 is: 195,053.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    248,751 : 343,285.65 = 141,339.23 : x
  2. Step 2: Convert to fraction form
    248,751/343,285.65 = 141,339.23/x
  3. Step 3: Cross multiply
    248,751x = 343,285.65 × 141,339.23
  4. Step 4: Simplify right side
    248,751x = 48,519,727,724.62
  5. Step 5: Solve for x
    x = 48,519,727,724.62/248,751
  6. Step 6: Final answer
    x = 195,053.40

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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.