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Finding the Fourth Proportional to 249,957.69, 374,934.73 and 100,195.80

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Solution

The fourth proportional to 249,957.69, 374,934.73 and 100,195.80 is: 150,292.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    249,957.69 : 374,934.73 = 100,195.80 : x
  2. Step 2: Convert to fraction form
    249,957.69/374,934.73 = 100,195.80/x
  3. Step 3: Cross multiply
    249,957.69x = 374,934.73 × 100,195.80
  4. Step 4: Simplify right side
    249,957.69x = 37,566,885,220.13
  5. Step 5: Solve for x
    x = 37,566,885,220.13/249,957.69
  6. Step 6: Final answer
    x = 150,292.98

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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.