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Finding the Fourth Proportional to 162,608.86, 243,852.67 and 55,963.02

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Solution

The fourth proportional to 162,608.86, 243,852.67 and 55,963.02 is: 83,923.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    162,608.86 : 243,852.67 = 55,963.02 : x
  2. Step 2: Convert to fraction form
    162,608.86/243,852.67 = 55,963.02/x
  3. Step 3: Cross multiply
    162,608.86x = 243,852.67 × 55,963.02
  4. Step 4: Simplify right side
    162,608.86x = 13,646,731,848.26
  5. Step 5: Solve for x
    x = 13,646,731,848.26/162,608.86
  6. Step 6: Final answer
    x = 83,923.67

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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.