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Finding the Fourth Proportional to 249,039.80, 373,559.70 and 82,827.80

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Solution

The fourth proportional to 249,039.80, 373,559.70 and 82,827.80 is: 124,241.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    249,039.80 : 373,559.70 = 82,827.80 : x
  2. Step 2: Convert to fraction form
    249,039.80/373,559.70 = 82,827.80/x
  3. Step 3: Cross multiply
    249,039.80x = 373,559.70 × 82,827.80
  4. Step 4: Simplify right side
    249,039.80x = 30,941,128,119.66
  5. Step 5: Solve for x
    x = 30,941,128,119.66/249,039.80
  6. Step 6: Final answer
    x = 124,241.70

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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.