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Finding the Fourth Proportional to 219,060.35, 302,303.31 and 118,458.35

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Solution

The fourth proportional to 219,060.35, 302,303.31 and 118,458.35 is: 163,472.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    219,060.35 : 302,303.31 = 118,458.35 : x
  2. Step 2: Convert to fraction form
    219,060.35/302,303.31 = 118,458.35/x
  3. Step 3: Cross multiply
    219,060.35x = 302,303.31 × 118,458.35
  4. Step 4: Simplify right side
    219,060.35x = 35,810,351,302.14
  5. Step 5: Solve for x
    x = 35,810,351,302.14/219,060.35
  6. Step 6: Final answer
    x = 163,472.54

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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.