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Finding the Fourth Proportional to 295,456.41, 443,119.82 and 85,048.65

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Solution

The fourth proportional to 295,456.41, 443,119.82 and 85,048.65 is: 127,554.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    295,456.41 : 443,119.82 = 85,048.65 : x
  2. Step 2: Convert to fraction form
    295,456.41/443,119.82 = 85,048.65/x
  3. Step 3: Cross multiply
    295,456.41x = 443,119.82 × 85,048.65
  4. Step 4: Simplify right side
    295,456.41x = 37,686,742,054.00
  5. Step 5: Solve for x
    x = 37,686,742,054.00/295,456.41
  6. Step 6: Final answer
    x = 127,554.32

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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.