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Finding the Fourth Proportional to 189,010.87, 283,483.50 and 64,351.87

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Solution

The fourth proportional to 189,010.87, 283,483.50 and 64,351.87 is: 96,516.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    189,010.87 : 283,483.50 = 64,351.87 : x
  2. Step 2: Convert to fraction form
    189,010.87/283,483.50 = 64,351.87/x
  3. Step 3: Cross multiply
    189,010.87x = 283,483.50 × 64,351.87
  4. Step 4: Simplify right side
    189,010.87x = 18,242,692,389.12
  5. Step 5: Solve for x
    x = 18,242,692,389.12/189,010.87
  6. Step 6: Final answer
    x = 96,516.63

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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.