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Finding the Fourth Proportional to 219,551.12, 329,326.92 and 53,339.12

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Solution

The fourth proportional to 219,551.12, 329,326.92 and 53,339.12 is: 80,008.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    219,551.12 : 329,326.92 = 53,339.12 : x
  2. Step 2: Convert to fraction form
    219,551.12/329,326.92 = 53,339.12/x
  3. Step 3: Cross multiply
    219,551.12x = 329,326.92 × 53,339.12
  4. Step 4: Simplify right side
    219,551.12x = 17,566,008,105.11
  5. Step 5: Solve for x
    x = 17,566,008,105.11/219,551.12
  6. Step 6: Final answer
    x = 80,008.74

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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.