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Finding the Fourth Proportional to 255,364.84, 352,401.06 and 142,180.84

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Solution

The fourth proportional to 255,364.84, 352,401.06 and 142,180.84 is: 196,208.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    255,364.84 : 352,401.06 = 142,180.84 : x
  2. Step 2: Convert to fraction form
    255,364.84/352,401.06 = 142,180.84/x
  3. Step 3: Cross multiply
    255,364.84x = 352,401.06 × 142,180.84
  4. Step 4: Simplify right side
    255,364.84x = 50,104,678,727.69
  5. Step 5: Solve for x
    x = 50,104,678,727.69/255,364.84
  6. Step 6: Final answer
    x = 196,208.21

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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.