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Finding the Fourth Proportional to 219,444.85, 302,712.63 and 178,652.86

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Solution

The fourth proportional to 219,444.85, 302,712.63 and 178,652.86 is: 246,442.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    219,444.85 : 302,712.63 = 178,652.86 : x
  2. Step 2: Convert to fraction form
    219,444.85/302,712.63 = 178,652.86/x
  3. Step 3: Cross multiply
    219,444.85x = 302,712.63 × 178,652.86
  4. Step 4: Simplify right side
    219,444.85x = 54,080,477,107.62
  5. Step 5: Solve for x
    x = 54,080,477,107.62/219,444.85
  6. Step 6: Final answer
    x = 246,442.23

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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.