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Finding the Fourth Proportional to 235,788.96, 325,292.58 and 145,117.56

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Solution

The fourth proportional to 235,788.96, 325,292.58 and 145,117.56 is: 200,203.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    235,788.96 : 325,292.58 = 145,117.56 : x
  2. Step 2: Convert to fraction form
    235,788.96/325,292.58 = 145,117.56/x
  3. Step 3: Cross multiply
    235,788.96x = 325,292.58 × 145,117.56
  4. Step 4: Simplify right side
    235,788.96x = 47,205,665,495.70
  5. Step 5: Solve for x
    x = 47,205,665,495.70/235,788.96
  6. Step 6: Final answer
    x = 200,203.04

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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.