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Finding the Fourth Proportional to 219,539.63, 302,941.50 and 124,027.88

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Solution

The fourth proportional to 219,539.63, 302,941.50 and 124,027.88 is: 171,145.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    219,539.63 : 302,941.50 = 124,027.88 : x
  2. Step 2: Convert to fraction form
    219,539.63/302,941.50 = 124,027.88/x
  3. Step 3: Cross multiply
    219,539.63x = 302,941.50 × 124,027.88
  4. Step 4: Simplify right side
    219,539.63x = 37,573,192,009.02
  5. Step 5: Solve for x
    x = 37,573,192,009.02/219,539.63
  6. Step 6: Final answer
    x = 171,145.37

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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.