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Finding the Fourth Proportional to 79,806.18, 119,709 and 23,646.72

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Solution

The fourth proportional to 79,806.18, 119,709 and 23,646.72 is: 35,470.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    79,806.18 : 119,709 = 23,646.72 : x
  2. Step 2: Convert to fraction form
    79,806.18/119,709 = 23,646.72/x
  3. Step 3: Cross multiply
    79,806.18x = 119,709 × 23,646.72
  4. Step 4: Simplify right side
    79,806.18x = 2,830,725,204.48
  5. Step 5: Solve for x
    x = 2,830,725,204.48/79,806.18
  6. Step 6: Final answer
    x = 35,470.00

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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.