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Finding the Fourth Proportional to 255,262.68, 352,259.01 and 142,085.52

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Solution

The fourth proportional to 255,262.68, 352,259.01 and 142,085.52 is: 196,076.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    255,262.68 : 352,259.01 = 142,085.52 : x
  2. Step 2: Convert to fraction form
    255,262.68/352,259.01 = 142,085.52/x
  3. Step 3: Cross multiply
    255,262.68x = 352,259.01 × 142,085.52
  4. Step 4: Simplify right side
    255,262.68x = 50,050,904,610.54
  5. Step 5: Solve for x
    x = 50,050,904,610.54/255,262.68
  6. Step 6: Final answer
    x = 196,076.08

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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.