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Finding the Fourth Proportional to 235,510.39, 353,269.64 and 67,035.05

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Solution

The fourth proportional to 235,510.39, 353,269.64 and 67,035.05 is: 100,553.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    235,510.39 : 353,269.64 = 67,035.05 : x
  2. Step 2: Convert to fraction form
    235,510.39/353,269.64 = 67,035.05/x
  3. Step 3: Cross multiply
    235,510.39x = 353,269.64 × 67,035.05
  4. Step 4: Simplify right side
    235,510.39x = 23,681,445,879.36
  5. Step 5: Solve for x
    x = 23,681,445,879.36/235,510.39
  6. Step 6: Final answer
    x = 100,553.72

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1.5x scale

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.