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Finding the Fourth Proportional to 219,054.98, 302,295.90 and 118,452.98

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Solution

The fourth proportional to 219,054.98, 302,295.90 and 118,452.98 is: 163,465.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    219,054.98 : 302,295.90 = 118,452.98 : x
  2. Step 2: Convert to fraction form
    219,054.98/302,295.90 = 118,452.98/x
  3. Step 3: Cross multiply
    219,054.98x = 302,295.90 × 118,452.98
  4. Step 4: Simplify right side
    219,054.98x = 35,807,850,196.78
  5. Step 5: Solve for x
    x = 35,807,850,196.78/219,054.98
  6. Step 6: Final answer
    x = 163,465.13

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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.