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Finding the Fourth Proportional to 200,688.60, 301,032.90 and 161,322.60

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Solution

The fourth proportional to 200,688.60, 301,032.90 and 161,322.60 is: 241,983.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    200,688.60 : 301,032.90 = 161,322.60 : x
  2. Step 2: Convert to fraction form
    200,688.60/301,032.90 = 161,322.60/x
  3. Step 3: Cross multiply
    200,688.60x = 301,032.90 × 161,322.60
  4. Step 4: Simplify right side
    200,688.60x = 48,563,410,113.54
  5. Step 5: Solve for x
    x = 48,563,410,113.54/200,688.60
  6. Step 6: Final answer
    x = 241,983.90

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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.