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Finding the Fourth Proportional to 255,496.16, 352,595.60 and 142,318.88

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Solution

The fourth proportional to 255,496.16, 352,595.60 and 142,318.88 is: 196,406.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    255,496.16 : 352,595.60 = 142,318.88 : x
  2. Step 2: Convert to fraction form
    255,496.16/352,595.60 = 142,318.88/x
  3. Step 3: Cross multiply
    255,496.16x = 352,595.60 × 142,318.88
  4. Step 4: Simplify right side
    255,496.16x = 50,181,010,884.93
  5. Step 5: Solve for x
    x = 50,181,010,884.93/255,496.16
  6. Step 6: Final answer
    x = 196,406.13

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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.