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Finding the Fourth Proportional to 255,670.68, 352,837.55 and 142,494.24

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Solution

The fourth proportional to 255,670.68, 352,837.55 and 142,494.24 is: 196,648.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    255,670.68 : 352,837.55 = 142,494.24 : x
  2. Step 2: Convert to fraction form
    255,670.68/352,837.55 = 142,494.24/x
  3. Step 3: Cross multiply
    255,670.68x = 352,837.55 × 142,494.24
  4. Step 4: Simplify right side
    255,670.68x = 50,277,317,818.24
  5. Step 5: Solve for x
    x = 50,277,317,818.24/255,670.68
  6. Step 6: Final answer
    x = 196,648.74

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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.