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Finding the Fourth Proportional to 298,094.04, 411,375.04 and 162,130.96

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Solution

The fourth proportional to 298,094.04, 411,375.04 and 162,130.96 is: 223,743.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    298,094.04 : 411,375.04 = 162,130.96 : x
  2. Step 2: Convert to fraction form
    298,094.04/411,375.04 = 162,130.96/x
  3. Step 3: Cross multiply
    298,094.04x = 411,375.04 × 162,130.96
  4. Step 4: Simplify right side
    298,094.04x = 66,696,630,155.24
  5. Step 5: Solve for x
    x = 66,696,630,155.24/298,094.04
  6. Step 6: Final answer
    x = 223,743.59

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.