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Finding the Fourth Proportional to 92,424, 127,544.58 and 49,982.40

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Solution

The fourth proportional to 92,424, 127,544.58 and 49,982.40 is: 68,975.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    92,424 : 127,544.58 = 49,982.40 : x
  2. Step 2: Convert to fraction form
    92,424/127,544.58 = 49,982.40/x
  3. Step 3: Cross multiply
    92,424x = 127,544.58 × 49,982.40
  4. Step 4: Simplify right side
    92,424x = 6,374,984,215.39
  5. Step 5: Solve for x
    x = 6,374,984,215.39/92,424
  6. Step 6: Final answer
    x = 68,975.42

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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.