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Finding the Fourth Proportional to 235,779.43, 353,669.15 and 58,289.80

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Solution

The fourth proportional to 235,779.43, 353,669.15 and 58,289.80 is: 87,434.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    235,779.43 : 353,669.15 = 58,289.80 : x
  2. Step 2: Convert to fraction form
    235,779.43/353,669.15 = 58,289.80/x
  3. Step 3: Cross multiply
    235,779.43x = 353,669.15 × 58,289.80
  4. Step 4: Simplify right side
    235,779.43x = 20,615,304,019.67
  5. Step 5: Solve for x
    x = 20,615,304,019.67/235,779.43
  6. Step 6: Final answer
    x = 87,434.70

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.