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Finding the Fourth Proportional to 219,379.32, 329,068.97 and 53,167.32

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Solution

The fourth proportional to 219,379.32, 329,068.97 and 53,167.32 is: 79,750.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    219,379.32 : 329,068.97 = 53,167.32 : x
  2. Step 2: Convert to fraction form
    219,379.32/329,068.97 = 53,167.32/x
  3. Step 3: Cross multiply
    219,379.32x = 329,068.97 × 53,167.32
  4. Step 4: Simplify right side
    219,379.32x = 17,495,714,964.22
  5. Step 5: Solve for x
    x = 17,495,714,964.22/219,379.32
  6. Step 6: Final answer
    x = 79,750.98

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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.