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Finding the Fourth Proportional to 162,497.44, 243,751.56 and 55,880.35

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Solution

The fourth proportional to 162,497.44, 243,751.56 and 55,880.35 is: 83,822.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    162,497.44 : 243,751.56 = 55,880.35 : x
  2. Step 2: Convert to fraction form
    162,497.44/243,751.56 = 55,880.35/x
  3. Step 3: Cross multiply
    162,497.44x = 243,751.56 × 55,880.35
  4. Step 4: Simplify right side
    162,497.44x = 13,620,921,666.92
  5. Step 5: Solve for x
    x = 13,620,921,666.92/162,497.44
  6. Step 6: Final answer
    x = 83,822.38

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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.