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Finding the Fourth Proportional to 265,849.48, 366,779.64 and 170,408.80

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Solution

The fourth proportional to 265,849.48, 366,779.64 and 170,408.80 is: 235,104.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    265,849.48 : 366,779.64 = 170,408.80 : x
  2. Step 2: Convert to fraction form
    265,849.48/366,779.64 = 170,408.80/x
  3. Step 3: Cross multiply
    265,849.48x = 366,779.64 × 170,408.80
  4. Step 4: Simplify right side
    265,849.48x = 62,502,478,316.83
  5. Step 5: Solve for x
    x = 62,502,478,316.83/265,849.48
  6. Step 6: Final answer
    x = 235,104.76

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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.