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Finding the Fourth Proportional to 249,348.98, 344,114.88 and 141,953.61

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Solution

The fourth proportional to 249,348.98, 344,114.88 and 141,953.61 is: 195,903.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    249,348.98 : 344,114.88 = 141,953.61 : x
  2. Step 2: Convert to fraction form
    249,348.98/344,114.88 = 141,953.61/x
  3. Step 3: Cross multiply
    249,348.98x = 344,114.88 × 141,953.61
  4. Step 4: Simplify right side
    249,348.98x = 48,848,351,027.31
  5. Step 5: Solve for x
    x = 48,848,351,027.31/249,348.98
  6. Step 6: Final answer
    x = 195,903.55

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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.