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Finding the Fourth Proportional to 162,477.87, 243,513.84 and 112,157.02

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Solution

The fourth proportional to 162,477.87, 243,513.84 and 112,157.02 is: 168,095.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    162,477.87 : 243,513.84 = 112,157.02 : x
  2. Step 2: Convert to fraction form
    162,477.87/243,513.84 = 112,157.02/x
  3. Step 3: Cross multiply
    162,477.87x = 243,513.84 × 112,157.02
  4. Step 4: Simplify right side
    162,477.87x = 27,311,786,623.16
  5. Step 5: Solve for x
    x = 27,311,786,623.16/162,477.87
  6. Step 6: Final answer
    x = 168,095.43

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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.