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Finding the Fourth Proportional to 184,556.34, 254,678.28 and 103,988.58

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Solution

The fourth proportional to 184,556.34, 254,678.28 and 103,988.58 is: 143,498.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    184,556.34 : 254,678.28 = 103,988.58 : x
  2. Step 2: Convert to fraction form
    184,556.34/254,678.28 = 103,988.58/x
  3. Step 3: Cross multiply
    184,556.34x = 254,678.28 × 103,988.58
  4. Step 4: Simplify right side
    184,556.34x = 26,483,632,694.04
  5. Step 5: Solve for x
    x = 26,483,632,694.04/184,556.34
  6. Step 6: Final answer
    x = 143,498.90

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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.