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Finding the Fourth Proportional to 254,779.48, 350,792.58 and 231,159.88

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Solution

The fourth proportional to 254,779.48, 350,792.58 and 231,159.88 is: 318,271.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    254,779.48 : 350,792.58 = 231,159.88 : x
  2. Step 2: Convert to fraction form
    254,779.48/350,792.58 = 231,159.88/x
  3. Step 3: Cross multiply
    254,779.48x = 350,792.58 × 231,159.88
  4. Step 4: Simplify right side
    254,779.48x = 81,089,170,697.69
  5. Step 5: Solve for x
    x = 81,089,170,697.69/254,779.48
  6. Step 6: Final answer
    x = 318,271.98

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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.