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Finding the Fourth Proportional to 116,348, 174,422.05 and 40,436.68

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Solution

The fourth proportional to 116,348, 174,422.05 and 40,436.68 is: 60,620.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    116,348 : 174,422.05 = 40,436.68 : x
  2. Step 2: Convert to fraction form
    116,348/174,422.05 = 40,436.68/x
  3. Step 3: Cross multiply
    116,348x = 174,422.05 × 40,436.68
  4. Step 4: Simplify right side
    116,348x = 7,053,047,546.50
  5. Step 5: Solve for x
    x = 7,053,047,546.50/116,348
  6. Step 6: Final answer
    x = 60,620.27

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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.