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Finding the Fourth Proportional to 269,779.85, 372,291.71 and 148,918.01

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Solution

The fourth proportional to 269,779.85, 372,291.71 and 148,918.01 is: 205,504.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    269,779.85 : 372,291.71 = 148,918.01 : x
  2. Step 2: Convert to fraction form
    269,779.85/372,291.71 = 148,918.01/x
  3. Step 3: Cross multiply
    269,779.85x = 372,291.71 × 148,918.01
  4. Step 4: Simplify right side
    269,779.85x = 55,440,937,986.65
  5. Step 5: Solve for x
    x = 55,440,937,986.65/269,779.85
  6. Step 6: Final answer
    x = 205,504.37

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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.