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Finding the Fourth Proportional to 162,415.98, 243,651.78 and 55,794.87

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Solution

The fourth proportional to 162,415.98, 243,651.78 and 55,794.87 is: 83,701.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    162,415.98 : 243,651.78 = 55,794.87 : x
  2. Step 2: Convert to fraction form
    162,415.98/243,651.78 = 55,794.87/x
  3. Step 3: Cross multiply
    162,415.98x = 243,651.78 × 55,794.87
  4. Step 4: Simplify right side
    162,415.98x = 13,594,519,390.37
  5. Step 5: Solve for x
    x = 13,594,519,390.37/162,415.98
  6. Step 6: Final answer
    x = 83,701.86

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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.