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Finding the Fourth Proportional to 219,832.89, 303,364.44 and 124,339.47

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Solution

The fourth proportional to 219,832.89, 303,364.44 and 124,339.47 is: 171,585.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    219,832.89 : 303,364.44 = 124,339.47 : x
  2. Step 2: Convert to fraction form
    219,832.89/303,364.44 = 124,339.47/x
  3. Step 3: Cross multiply
    219,832.89x = 303,364.44 × 124,339.47
  4. Step 4: Simplify right side
    219,832.89x = 37,720,173,686.45
  5. Step 5: Solve for x
    x = 37,720,173,686.45/219,832.89
  6. Step 6: Final answer
    x = 171,585.67

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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.