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Finding the Fourth Proportional to 141,660.80, 212,392.80 and 62,732

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Solution

The fourth proportional to 141,660.80, 212,392.80 and 62,732 is: 94,054.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    141,660.80 : 212,392.80 = 62,732 : x
  2. Step 2: Convert to fraction form
    141,660.80/212,392.80 = 62,732/x
  3. Step 3: Cross multiply
    141,660.80x = 212,392.80 × 62,732
  4. Step 4: Simplify right side
    141,660.80x = 13,323,825,129.60
  5. Step 5: Solve for x
    x = 13,323,825,129.60/141,660.80
  6. Step 6: Final answer
    x = 94,054.43

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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.