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Finding the Fourth Proportional to 255,404.48, 352,452.48 and 142,237.76

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Solution

The fourth proportional to 255,404.48, 352,452.48 and 142,237.76 is: 196,284.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    255,404.48 : 352,452.48 = 142,237.76 : x
  2. Step 2: Convert to fraction form
    255,404.48/352,452.48 = 142,237.76/x
  3. Step 3: Cross multiply
    255,404.48x = 352,452.48 × 142,237.76
  4. Step 4: Simplify right side
    255,404.48x = 50,132,051,261.64
  5. Step 5: Solve for x
    x = 50,132,051,261.64/255,404.48
  6. Step 6: Final answer
    x = 196,284.93

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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.