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Finding the Fourth Proportional to 249,118.84, 343,694.16 and 191,775.72

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Solution

The fourth proportional to 249,118.84, 343,694.16 and 191,775.72 is: 264,581.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    249,118.84 : 343,694.16 = 191,775.72 : x
  2. Step 2: Convert to fraction form
    249,118.84/343,694.16 = 191,775.72/x
  3. Step 3: Cross multiply
    249,118.84x = 343,694.16 × 191,775.72
  4. Step 4: Simplify right side
    249,118.84x = 65,912,194,993.80
  5. Step 5: Solve for x
    x = 65,912,194,993.80/249,118.84
  6. Step 6: Final answer
    x = 264,581.33

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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.