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Finding the Fourth Proportional to 162,411.96, 243,620.64 and 57,232.20

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Solution

The fourth proportional to 162,411.96, 243,620.64 and 57,232.20 is: 85,849.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    162,411.96 : 243,620.64 = 57,232.20 : x
  2. Step 2: Convert to fraction form
    162,411.96/243,620.64 = 57,232.20/x
  3. Step 3: Cross multiply
    162,411.96x = 243,620.64 × 57,232.20
  4. Step 4: Simplify right side
    162,411.96x = 13,942,945,192.61
  5. Step 5: Solve for x
    x = 13,942,945,192.61/162,411.96
  6. Step 6: Final answer
    x = 85,849.25

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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.