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Finding the Fourth Proportional to 249,571.73, 344,470.22 and 142,205.22

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Solution

The fourth proportional to 249,571.73, 344,470.22 and 142,205.22 is: 196,278.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    249,571.73 : 344,470.22 = 142,205.22 : x
  2. Step 2: Convert to fraction form
    249,571.73/344,470.22 = 142,205.22/x
  3. Step 3: Cross multiply
    249,571.73x = 344,470.22 × 142,205.22
  4. Step 4: Simplify right side
    249,571.73x = 48,985,463,240.79
  5. Step 5: Solve for x
    x = 48,985,463,240.79/249,571.73
  6. Step 6: Final answer
    x = 196,278.09

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1.5x scale

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.