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Finding the Fourth Proportional to 219,054.60, 302,295.36 and 118,452.60

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Solution

The fourth proportional to 219,054.60, 302,295.36 and 118,452.60 is: 163,464.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    219,054.60 : 302,295.36 = 118,452.60 : x
  2. Step 2: Convert to fraction form
    219,054.60/302,295.36 = 118,452.60/x
  3. Step 3: Cross multiply
    219,054.60x = 302,295.36 × 118,452.60
  4. Step 4: Simplify right side
    219,054.60x = 35,807,671,359.94
  5. Step 5: Solve for x
    x = 35,807,671,359.94/219,054.60
  6. Step 6: Final answer
    x = 163,464.59

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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.