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Finding the Fourth Proportional to 255,225.58, 352,205.31 and 142,045.90

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Solution

The fourth proportional to 255,225.58, 352,205.31 and 142,045.90 is: 196,020.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    255,225.58 : 352,205.31 = 142,045.90 : x
  2. Step 2: Convert to fraction form
    255,225.58/352,205.31 = 142,045.90/x
  3. Step 3: Cross multiply
    255,225.58x = 352,205.31 × 142,045.90
  4. Step 4: Simplify right side
    255,225.58x = 50,029,320,243.73
  5. Step 5: Solve for x
    x = 50,029,320,243.73/255,225.58
  6. Step 6: Final answer
    x = 196,020.01

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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.