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Finding the Fourth Proportional to 184,860.42, 255,109.86 and 104,287.70

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Solution

The fourth proportional to 184,860.42, 255,109.86 and 104,287.70 is: 143,918.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    184,860.42 : 255,109.86 = 104,287.70 : x
  2. Step 2: Convert to fraction form
    184,860.42/255,109.86 = 104,287.70/x
  3. Step 3: Cross multiply
    184,860.42x = 255,109.86 × 104,287.70
  4. Step 4: Simplify right side
    184,860.42x = 26,604,819,271.17
  5. Step 5: Solve for x
    x = 26,604,819,271.17/184,860.42
  6. Step 6: Final answer
    x = 143,918.42

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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.