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Finding the Fourth Proportional to 255,293.95, 352,291.81 and 140,550.16

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Solution

The fourth proportional to 255,293.95, 352,291.81 and 140,550.16 is: 193,951.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    255,293.95 : 352,291.81 = 140,550.16 : x
  2. Step 2: Convert to fraction form
    255,293.95/352,291.81 = 140,550.16/x
  3. Step 3: Cross multiply
    255,293.95x = 352,291.81 × 140,550.16
  4. Step 4: Simplify right side
    255,293.95x = 49,514,670,262.19
  5. Step 5: Solve for x
    x = 49,514,670,262.19/255,293.95
  6. Step 6: Final answer
    x = 193,951.60

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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.