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Finding the Fourth Proportional to 70,303.70, 97,020.28 and 50,194.77

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Solution

The fourth proportional to 70,303.70, 97,020.28 and 50,194.77 is: 69,269.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,303.70 : 97,020.28 = 50,194.77 : x
  2. Step 2: Convert to fraction form
    70,303.70/97,020.28 = 50,194.77/x
  3. Step 3: Cross multiply
    70,303.70x = 97,020.28 × 50,194.77
  4. Step 4: Simplify right side
    70,303.70x = 4,869,910,514.45
  5. Step 5: Solve for x
    x = 4,869,910,514.45/70,303.70
  6. Step 6: Final answer
    x = 69,269.62

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1.5x scale

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.