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Finding the Fourth Proportional to 219,355.02, 302,709.96 and 118,753.02

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Solution

The fourth proportional to 219,355.02, 302,709.96 and 118,753.02 is: 163,879.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    219,355.02 : 302,709.96 = 118,753.02 : x
  2. Step 2: Convert to fraction form
    219,355.02/302,709.96 = 118,753.02/x
  3. Step 3: Cross multiply
    219,355.02x = 302,709.96 × 118,753.02
  4. Step 4: Simplify right side
    219,355.02x = 35,947,721,934.08
  5. Step 5: Solve for x
    x = 35,947,721,934.08/219,355.02
  6. Step 6: Final answer
    x = 163,879.19

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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.