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Finding the Fourth Proportional to 185,401.48, 255,846.94 and 104,830.69

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Solution

The fourth proportional to 185,401.48, 255,846.94 and 104,830.69 is: 144,662.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    185,401.48 : 255,846.94 = 104,830.69 : x
  2. Step 2: Convert to fraction form
    185,401.48/255,846.94 = 104,830.69/x
  3. Step 3: Cross multiply
    185,401.48x = 255,846.94 × 104,830.69
  4. Step 4: Simplify right side
    185,401.48x = 26,820,611,422.28
  5. Step 5: Solve for x
    x = 26,820,611,422.28/185,401.48
  6. Step 6: Final answer
    x = 144,662.34

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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.