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Finding the Fourth Proportional to 255,169.74, 352,113.53 and 147,746.58

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Solution

The fourth proportional to 255,169.74, 352,113.53 and 147,746.58 is: 203,878.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    255,169.74 : 352,113.53 = 147,746.58 : x
  2. Step 2: Convert to fraction form
    255,169.74/352,113.53 = 147,746.58/x
  3. Step 3: Cross multiply
    255,169.74x = 352,113.53 × 147,746.58
  4. Step 4: Simplify right side
    255,169.74x = 52,023,570,581.78
  5. Step 5: Solve for x
    x = 52,023,570,581.78/255,169.74
  6. Step 6: Final answer
    x = 203,878.29

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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.