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Finding the Fourth Proportional to 184,000.60, 275,903.70 and 78,700.60

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Solution

The fourth proportional to 184,000.60, 275,903.70 and 78,700.60 is: 118,009.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    184,000.60 : 275,903.70 = 78,700.60 : x
  2. Step 2: Convert to fraction form
    184,000.60/275,903.70 = 78,700.60/x
  3. Step 3: Cross multiply
    184,000.60x = 275,903.70 × 78,700.60
  4. Step 4: Simplify right side
    184,000.60x = 21,713,786,732.22
  5. Step 5: Solve for x
    x = 21,713,786,732.22/184,000.60
  6. Step 6: Final answer
    x = 118,009.33

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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.