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Finding the Fourth Proportional to 255,112.64, 352,055.44 and 141,935.36

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Solution

The fourth proportional to 255,112.64, 352,055.44 and 141,935.36 is: 195,870.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    255,112.64 : 352,055.44 = 141,935.36 : x
  2. Step 2: Convert to fraction form
    255,112.64/352,055.44 = 141,935.36/x
  3. Step 3: Cross multiply
    255,112.64x = 352,055.44 × 141,935.36
  4. Step 4: Simplify right side
    255,112.64x = 49,969,115,616.36
  5. Step 5: Solve for x
    x = 49,969,115,616.36/255,112.64
  6. Step 6: Final answer
    x = 195,870.80

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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.