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Finding the Fourth Proportional to 162,352.10, 243,566.55 and 51,544.10

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Solution

The fourth proportional to 162,352.10, 243,566.55 and 51,544.10 is: 77,328.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    162,352.10 : 243,566.55 = 51,544.10 : x
  2. Step 2: Convert to fraction form
    162,352.10/243,566.55 = 51,544.10/x
  3. Step 3: Cross multiply
    162,352.10x = 243,566.55 × 51,544.10
  4. Step 4: Simplify right side
    162,352.10x = 12,554,418,609.86
  5. Step 5: Solve for x
    x = 12,554,418,609.86/162,352.10
  6. Step 6: Final answer
    x = 77,328.34

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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.