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Finding the Fourth Proportional to 155,299.92, 214,017.39 and 133,782.90

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Solution

The fourth proportional to 155,299.92, 214,017.39 and 133,782.90 is: 184,364.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    155,299.92 : 214,017.39 = 133,782.90 : x
  2. Step 2: Convert to fraction form
    155,299.92/214,017.39 = 133,782.90/x
  3. Step 3: Cross multiply
    155,299.92x = 214,017.39 × 133,782.90
  4. Step 4: Simplify right side
    155,299.92x = 28,631,867,084.63
  5. Step 5: Solve for x
    x = 28,631,867,084.63/155,299.92
  6. Step 6: Final answer
    x = 184,364.98

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.