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Finding the Fourth Proportional to 162,192.56, 243,262.42 and 56,986.97

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Solution

The fourth proportional to 162,192.56, 243,262.42 and 56,986.97 is: 85,471.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    162,192.56 : 243,262.42 = 56,986.97 : x
  2. Step 2: Convert to fraction form
    162,192.56/243,262.42 = 56,986.97/x
  3. Step 3: Cross multiply
    162,192.56x = 243,262.42 × 56,986.97
  4. Step 4: Simplify right side
    162,192.56x = 13,862,786,871.89
  5. Step 5: Solve for x
    x = 13,862,786,871.89/162,192.56
  6. Step 6: Final answer
    x = 85,471.17

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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.