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Finding the Fourth Proportional to 248,765.69, 343,293.82 and 141,333.44

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Solution

The fourth proportional to 248,765.69, 343,293.82 and 141,333.44 is: 195,038.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    248,765.69 : 343,293.82 = 141,333.44 : x
  2. Step 2: Convert to fraction form
    248,765.69/343,293.82 = 141,333.44/x
  3. Step 3: Cross multiply
    248,765.69x = 343,293.82 × 141,333.44
  4. Step 4: Simplify right side
    248,765.69x = 48,518,894,441.54
  5. Step 5: Solve for x
    x = 48,518,894,441.54/248,765.69
  6. Step 6: Final answer
    x = 195,038.53

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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.