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Finding the Fourth Proportional to 184,000.60, 276,000.90 and 128,013.40

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Solution

The fourth proportional to 184,000.60, 276,000.90 and 128,013.40 is: 192,020.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    184,000.60 : 276,000.90 = 128,013.40 : x
  2. Step 2: Convert to fraction form
    184,000.60/276,000.90 = 128,013.40/x
  3. Step 3: Cross multiply
    184,000.60x = 276,000.90 × 128,013.40
  4. Step 4: Simplify right side
    184,000.60x = 35,331,813,612.06
  5. Step 5: Solve for x
    x = 35,331,813,612.06/184,000.60
  6. Step 6: Final answer
    x = 192,020.10

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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.