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Finding the Fourth Proportional to 162,498.95, 243,778.96 and 73,758.70

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Solution

The fourth proportional to 162,498.95, 243,778.96 and 73,758.70 is: 110,651.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    162,498.95 : 243,778.96 = 73,758.70 : x
  2. Step 2: Convert to fraction form
    162,498.95/243,778.96 = 73,758.70/x
  3. Step 3: Cross multiply
    162,498.95x = 243,778.96 × 73,758.70
  4. Step 4: Simplify right side
    162,498.95x = 17,980,817,589.26
  5. Step 5: Solve for x
    x = 17,980,817,589.26/162,498.95
  6. Step 6: Final answer
    x = 110,651.90

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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.