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Finding the Fourth Proportional to 134,461.72, 201,690.73 and 45,777.07

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Solution

The fourth proportional to 134,461.72, 201,690.73 and 45,777.07 is: 68,664.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    134,461.72 : 201,690.73 = 45,777.07 : x
  2. Step 2: Convert to fraction form
    134,461.72/201,690.73 = 45,777.07/x
  3. Step 3: Cross multiply
    134,461.72x = 201,690.73 × 45,777.07
  4. Step 4: Simplify right side
    134,461.72x = 9,232,810,665.56
  5. Step 5: Solve for x
    x = 9,232,810,665.56/134,461.72
  6. Step 6: Final answer
    x = 68,664.98

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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.