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Finding the Fourth Proportional to 217,364.88, 326,048.48 and 98,953.44

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Solution

The fourth proportional to 217,364.88, 326,048.48 and 98,953.44 is: 148,430.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    217,364.88 : 326,048.48 = 98,953.44 : x
  2. Step 2: Convert to fraction form
    217,364.88/326,048.48 = 98,953.44/x
  3. Step 3: Cross multiply
    217,364.88x = 326,048.48 × 98,953.44
  4. Step 4: Simplify right side
    217,364.88x = 32,263,618,702.77
  5. Step 5: Solve for x
    x = 32,263,618,702.77/217,364.88
  6. Step 6: Final answer
    x = 148,430.69

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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.