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Finding the Fourth Proportional to 255,444.54, 352,524.42 and 142,267.32

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Solution

The fourth proportional to 255,444.54, 352,524.42 and 142,267.32 is: 196,335.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    255,444.54 : 352,524.42 = 142,267.32 : x
  2. Step 2: Convert to fraction form
    255,444.54/352,524.42 = 142,267.32/x
  3. Step 3: Cross multiply
    255,444.54x = 352,524.42 × 142,267.32
  4. Step 4: Simplify right side
    255,444.54x = 50,152,704,467.95
  5. Step 5: Solve for x
    x = 50,152,704,467.95/255,444.54
  6. Step 6: Final answer
    x = 196,335.00

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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.