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Finding the Fourth Proportional to 219,514.60, 329,271.90 and 53,302.60

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Solution

The fourth proportional to 219,514.60, 329,271.90 and 53,302.60 is: 79,953.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    219,514.60 : 329,271.90 = 53,302.60 : x
  2. Step 2: Convert to fraction form
    219,514.60/329,271.90 = 53,302.60/x
  3. Step 3: Cross multiply
    219,514.60x = 329,271.90 × 53,302.60
  4. Step 4: Simplify right side
    219,514.60x = 17,551,048,376.94
  5. Step 5: Solve for x
    x = 17,551,048,376.94/219,514.60
  6. Step 6: Final answer
    x = 79,953.90

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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.