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Finding the Fourth Proportional to 235,622.67, 353,205.59 and 93,421.50

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Solution

The fourth proportional to 235,622.67, 353,205.59 and 93,421.50 is: 140,041.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    235,622.67 : 353,205.59 = 93,421.50 : x
  2. Step 2: Convert to fraction form
    235,622.67/353,205.59 = 93,421.50/x
  3. Step 3: Cross multiply
    235,622.67x = 353,205.59 × 93,421.50
  4. Step 4: Simplify right side
    235,622.67x = 32,996,995,559.08
  5. Step 5: Solve for x
    x = 32,996,995,559.08/235,622.67
  6. Step 6: Final answer
    x = 140,041.68

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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.