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Finding the Fourth Proportional to 184,001.60, 275,905.20 and 78,701.60

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Solution

The fourth proportional to 184,001.60, 275,905.20 and 78,701.60 is: 118,010.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    184,001.60 : 275,905.20 = 78,701.60 : x
  2. Step 2: Convert to fraction form
    184,001.60/275,905.20 = 78,701.60/x
  3. Step 3: Cross multiply
    184,001.60x = 275,905.20 × 78,701.60
  4. Step 4: Simplify right side
    184,001.60x = 21,714,180,688.32
  5. Step 5: Solve for x
    x = 21,714,180,688.32/184,001.60
  6. Step 6: Final answer
    x = 118,010.83

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1.5x scale

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.