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Finding the Fourth Proportional to 260,709.88, 359,779.63 and 141,477.88

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Solution

The fourth proportional to 260,709.88, 359,779.63 and 141,477.88 is: 195,239.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    260,709.88 : 359,779.63 = 141,477.88 : x
  2. Step 2: Convert to fraction form
    260,709.88/359,779.63 = 141,477.88/x
  3. Step 3: Cross multiply
    260,709.88x = 359,779.63 × 141,477.88
  4. Step 4: Simplify right side
    260,709.88x = 50,900,859,319.58
  5. Step 5: Solve for x
    x = 50,900,859,319.58/260,709.88
  6. Step 6: Final answer
    x = 195,239.47

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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.