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Finding the Fourth Proportional to 161,894.48, 242,810.04 and 43,566.80

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Solution

The fourth proportional to 161,894.48, 242,810.04 and 43,566.80 is: 65,341.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    161,894.48 : 242,810.04 = 43,566.80 : x
  2. Step 2: Convert to fraction form
    161,894.48/242,810.04 = 43,566.80/x
  3. Step 3: Cross multiply
    161,894.48x = 242,810.04 × 43,566.80
  4. Step 4: Simplify right side
    161,894.48x = 10,578,456,450.67
  5. Step 5: Solve for x
    x = 10,578,456,450.67/161,894.48
  6. Step 6: Final answer
    x = 65,341.67

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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.