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Finding the Fourth Proportional to 79,264.40, 109,386.96 and 44,806.40

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Solution

The fourth proportional to 79,264.40, 109,386.96 and 44,806.40 is: 61,834.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    79,264.40 : 109,386.96 = 44,806.40 : x
  2. Step 2: Convert to fraction form
    79,264.40/109,386.96 = 44,806.40/x
  3. Step 3: Cross multiply
    79,264.40x = 109,386.96 × 44,806.40
  4. Step 4: Simplify right side
    79,264.40x = 4,901,235,884.54
  5. Step 5: Solve for x
    x = 4,901,235,884.54/79,264.40
  6. Step 6: Final answer
    x = 61,834.01

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.