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Finding the Fourth Proportional to 162,900.72, 244,328.40 and 44,582.40

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Solution

The fourth proportional to 162,900.72, 244,328.40 and 44,582.40 is: 66,867.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    162,900.72 : 244,328.40 = 44,582.40 : x
  2. Step 2: Convert to fraction form
    162,900.72/244,328.40 = 44,582.40/x
  3. Step 3: Cross multiply
    162,900.72x = 244,328.40 × 44,582.40
  4. Step 4: Simplify right side
    162,900.72x = 10,892,746,460.16
  5. Step 5: Solve for x
    x = 10,892,746,460.16/162,900.72
  6. Step 6: Final answer
    x = 66,867.39

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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.