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Finding the Fourth Proportional to 242,358.91, 334,404.60 and 140,347.66

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Solution

The fourth proportional to 242,358.91, 334,404.60 and 140,347.66 is: 193,650.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    242,358.91 : 334,404.60 = 140,347.66 : x
  2. Step 2: Convert to fraction form
    242,358.91/334,404.60 = 140,347.66/x
  3. Step 3: Cross multiply
    242,358.91x = 334,404.60 × 140,347.66
  4. Step 4: Simplify right side
    242,358.91x = 46,932,903,103.24
  5. Step 5: Solve for x
    x = 46,932,903,103.24/242,358.91
  6. Step 6: Final answer
    x = 193,650.41

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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.