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Finding the Fourth Proportional to 254,838.49, 382,303.87 and 104,995.51

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Solution

The fourth proportional to 254,838.49, 382,303.87 and 104,995.51 is: 157,512.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    254,838.49 : 382,303.87 = 104,995.51 : x
  2. Step 2: Convert to fraction form
    254,838.49/382,303.87 = 104,995.51/x
  3. Step 3: Cross multiply
    254,838.49x = 382,303.87 × 104,995.51
  4. Step 4: Simplify right side
    254,838.49x = 40,140,188,587.38
  5. Step 5: Solve for x
    x = 40,140,188,587.38/254,838.49
  6. Step 6: Final answer
    x = 157,512.27

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.