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Finding the Fourth Proportional to 145,662.00, 201,032.73 and 82,012.20

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Solution

The fourth proportional to 145,662.00, 201,032.73 and 82,012.20 is: 113,187.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    145,662.00 : 201,032.73 = 82,012.20 : x
  2. Step 2: Convert to fraction form
    145,662.00/201,032.73 = 82,012.20/x
  3. Step 3: Cross multiply
    145,662.00x = 201,032.73 × 82,012.20
  4. Step 4: Simplify right side
    145,662.00x = 16,487,136,905.63
  5. Step 5: Solve for x
    x = 16,487,136,905.63/145,662.00
  6. Step 6: Final answer
    x = 113,187.63

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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.