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Finding the Fourth Proportional to 184,384.80, 275,921.10 and 127,960.20

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Solution

The fourth proportional to 184,384.80, 275,921.10 and 127,960.20 is: 191,484.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    184,384.80 : 275,921.10 = 127,960.20 : x
  2. Step 2: Convert to fraction form
    184,384.80/275,921.10 = 127,960.20/x
  3. Step 3: Cross multiply
    184,384.80x = 275,921.10 × 127,960.20
  4. Step 4: Simplify right side
    184,384.80x = 35,306,919,140.22
  5. Step 5: Solve for x
    x = 35,306,919,140.22/184,384.80
  6. Step 6: Final answer
    x = 191,484.98

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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.