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Finding the Fourth Proportional to 219,806.68, 329,663.88 and 61,998.23

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Solution

The fourth proportional to 219,806.68, 329,663.88 and 61,998.23 is: 92,984.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    219,806.68 : 329,663.88 = 61,998.23 : x
  2. Step 2: Convert to fraction form
    219,806.68/329,663.88 = 61,998.23/x
  3. Step 3: Cross multiply
    219,806.68x = 329,663.88 × 61,998.23
  4. Step 4: Simplify right side
    219,806.68x = 20,438,575,096.62
  5. Step 5: Solve for x
    x = 20,438,575,096.62/219,806.68
  6. Step 6: Final answer
    x = 92,984.32

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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.