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Finding the Fourth Proportional to 184,978.80, 277,597.80 and 118,580.40

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Solution

The fourth proportional to 184,978.80, 277,597.80 and 118,580.40 is: 177,953.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    184,978.80 : 277,597.80 = 118,580.40 : x
  2. Step 2: Convert to fraction form
    184,978.80/277,597.80 = 118,580.40/x
  3. Step 3: Cross multiply
    184,978.80x = 277,597.80 × 118,580.40
  4. Step 4: Simplify right side
    184,978.80x = 32,917,658,163.12
  5. Step 5: Solve for x
    x = 32,917,658,163.12/184,978.80
  6. Step 6: Final answer
    x = 177,953.68

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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.