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Finding the Fourth Proportional to 252,352.72, 348,271.14 and 188,579.80

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Solution

The fourth proportional to 252,352.72, 348,271.14 and 188,579.80 is: 260,258.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    252,352.72 : 348,271.14 = 188,579.80 : x
  2. Step 2: Convert to fraction form
    252,352.72/348,271.14 = 188,579.80/x
  3. Step 3: Cross multiply
    252,352.72x = 348,271.14 × 188,579.80
  4. Step 4: Simplify right side
    252,352.72x = 65,676,901,926.97
  5. Step 5: Solve for x
    x = 65,676,901,926.97/252,352.72
  6. Step 6: Final answer
    x = 260,258.35

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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.