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Finding the Fourth Proportional to 249,199.94, 343,849.92 and 141,763.70

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Solution

The fourth proportional to 249,199.94, 343,849.92 and 141,763.70 is: 195,607.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    249,199.94 : 343,849.92 = 141,763.70 : x
  2. Step 2: Convert to fraction form
    249,199.94/343,849.92 = 141,763.70/x
  3. Step 3: Cross multiply
    249,199.94x = 343,849.92 × 141,763.70
  4. Step 4: Simplify right side
    249,199.94x = 48,745,436,903.90
  5. Step 5: Solve for x
    x = 48,745,436,903.90/249,199.94
  6. Step 6: Final answer
    x = 195,607.74

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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.