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Finding the Fourth Proportional to 235,763.55, 353,641.89 and 58,270.59

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Solution

The fourth proportional to 235,763.55, 353,641.89 and 58,270.59 is: 87,405.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    235,763.55 : 353,641.89 = 58,270.59 : x
  2. Step 2: Convert to fraction form
    235,763.55/353,641.89 = 58,270.59/x
  3. Step 3: Cross multiply
    235,763.55x = 353,641.89 × 58,270.59
  4. Step 4: Simplify right side
    235,763.55x = 20,606,921,579.02
  5. Step 5: Solve for x
    x = 20,606,921,579.02/235,763.55
  6. Step 6: Final answer
    x = 87,405.04

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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.