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Finding the Fourth Proportional to 219,796.59, 329,691.28 and 70,034.85

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Solution

The fourth proportional to 219,796.59, 329,691.28 and 70,034.85 is: 105,051.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    219,796.59 : 329,691.28 = 70,034.85 : x
  2. Step 2: Convert to fraction form
    219,796.59/329,691.28 = 70,034.85/x
  3. Step 3: Cross multiply
    219,796.59x = 329,691.28 × 70,034.85
  4. Step 4: Simplify right side
    219,796.59x = 23,089,879,297.34
  5. Step 5: Solve for x
    x = 23,089,879,297.34/219,796.59
  6. Step 6: Final answer
    x = 105,051.13

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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.