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Finding the Fourth Proportional to 249,340.69, 373,923.91 and 71,800.21

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Solution

The fourth proportional to 249,340.69, 373,923.91 and 71,800.21 is: 107,675.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    249,340.69 : 373,923.91 = 71,800.21 : x
  2. Step 2: Convert to fraction form
    249,340.69/373,923.91 = 71,800.21/x
  3. Step 3: Cross multiply
    249,340.69x = 373,923.91 × 71,800.21
  4. Step 4: Simplify right side
    249,340.69x = 26,847,815,262.02
  5. Step 5: Solve for x
    x = 26,847,815,262.02/249,340.69
  6. Step 6: Final answer
    x = 107,675.23

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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.