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Finding the Fourth Proportional to 255,247.83, 352,235.97 and 142,068.15

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Solution

The fourth proportional to 255,247.83, 352,235.97 and 142,068.15 is: 196,050.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    255,247.83 : 352,235.97 = 142,068.15 : x
  2. Step 2: Convert to fraction form
    255,247.83/352,235.97 = 142,068.15/x
  3. Step 3: Cross multiply
    255,247.83x = 352,235.97 × 142,068.15
  4. Step 4: Simplify right side
    255,247.83x = 50,041,512,621.36
  5. Step 5: Solve for x
    x = 50,041,512,621.36/255,247.83
  6. Step 6: Final answer
    x = 196,050.69

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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.