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Finding the Fourth Proportional to 235,957.86, 353,740.87 and 93,715.38

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Solution

The fourth proportional to 235,957.86, 353,740.87 and 93,715.38 is: 140,495.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    235,957.86 : 353,740.87 = 93,715.38 : x
  2. Step 2: Convert to fraction form
    235,957.86/353,740.87 = 93,715.38/x
  3. Step 3: Cross multiply
    235,957.86x = 353,740.87 × 93,715.38
  4. Step 4: Simplify right side
    235,957.86x = 33,150,960,170.72
  5. Step 5: Solve for x
    x = 33,150,960,170.72/235,957.86
  6. Step 6: Final answer
    x = 140,495.26

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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.