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Finding the Fourth Proportional to 215,374.92, 297,205.74 and 118,559.91

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Solution

The fourth proportional to 215,374.92, 297,205.74 and 118,559.91 is: 163,606.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    215,374.92 : 297,205.74 = 118,559.91 : x
  2. Step 2: Convert to fraction form
    215,374.92/297,205.74 = 118,559.91/x
  3. Step 3: Cross multiply
    215,374.92x = 297,205.74 × 118,559.91
  4. Step 4: Simplify right side
    215,374.92x = 35,236,685,785.88
  5. Step 5: Solve for x
    x = 35,236,685,785.88/215,374.92
  6. Step 6: Final answer
    x = 163,606.26

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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.