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Finding the Fourth Proportional to 162,124, 243,187.08 and 51,316

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Solution

The fourth proportional to 162,124, 243,187.08 and 51,316 is: 76,974.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    162,124 : 243,187.08 = 51,316 : x
  2. Step 2: Convert to fraction form
    162,124/243,187.08 = 51,316/x
  3. Step 3: Cross multiply
    162,124x = 243,187.08 × 51,316
  4. Step 4: Simplify right side
    162,124x = 12,479,388,197.28
  5. Step 5: Solve for x
    x = 12,479,388,197.28/162,124
  6. Step 6: Final answer
    x = 76,974.34

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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.