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Finding the Fourth Proportional to 214,423.75, 295,711.05 and 133,858.72

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Solution

The fourth proportional to 214,423.75, 295,711.05 and 133,858.72 is: 184,604.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    214,423.75 : 295,711.05 = 133,858.72 : x
  2. Step 2: Convert to fraction form
    214,423.75/295,711.05 = 133,858.72/x
  3. Step 3: Cross multiply
    214,423.75x = 295,711.05 × 133,858.72
  4. Step 4: Simplify right side
    214,423.75x = 39,583,502,642.86
  5. Step 5: Solve for x
    x = 39,583,502,642.86/214,423.75
  6. Step 6: Final answer
    x = 184,604.10

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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.