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Finding the Fourth Proportional to 235,740.60, 353,222.10 and 202,303.80

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Solution

The fourth proportional to 235,740.60, 353,222.10 and 202,303.80 is: 303,122.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    235,740.60 : 353,222.10 = 202,303.80 : x
  2. Step 2: Convert to fraction form
    235,740.60/353,222.10 = 202,303.80/x
  3. Step 3: Cross multiply
    235,740.60x = 353,222.10 × 202,303.80
  4. Step 4: Simplify right side
    235,740.60x = 71,458,173,073.98
  5. Step 5: Solve for x
    x = 71,458,173,073.98/235,740.60
  6. Step 6: Final answer
    x = 303,122.05

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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.