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Finding the Fourth Proportional to 219,886.10, 329,829.15 and 114,910.10

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Solution

The fourth proportional to 219,886.10, 329,829.15 and 114,910.10 is: 172,365.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    219,886.10 : 329,829.15 = 114,910.10 : x
  2. Step 2: Convert to fraction form
    219,886.10/329,829.15 = 114,910.10/x
  3. Step 3: Cross multiply
    219,886.10x = 329,829.15 × 114,910.10
  4. Step 4: Simplify right side
    219,886.10x = 37,900,700,609.42
  5. Step 5: Solve for x
    x = 37,900,700,609.42/219,886.10
  6. Step 6: Final answer
    x = 172,365.15

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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.