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Finding the Fourth Proportional to 219,162, 302,443.92 and 118,560

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Solution

The fourth proportional to 219,162, 302,443.92 and 118,560 is: 163,612.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    219,162 : 302,443.92 = 118,560 : x
  2. Step 2: Convert to fraction form
    219,162/302,443.92 = 118,560/x
  3. Step 3: Cross multiply
    219,162x = 302,443.92 × 118,560
  4. Step 4: Simplify right side
    219,162x = 35,857,751,155.20
  5. Step 5: Solve for x
    x = 35,857,751,155.20/219,162
  6. Step 6: Final answer
    x = 163,612.99

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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.