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Finding the Fourth Proportional to 92,295.69, 127,399.70 and 54,067.50

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Solution

The fourth proportional to 92,295.69, 127,399.70 and 54,067.50 is: 74,631.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    92,295.69 : 127,399.70 = 54,067.50 : x
  2. Step 2: Convert to fraction form
    92,295.69/127,399.70 = 54,067.50/x
  3. Step 3: Cross multiply
    92,295.69x = 127,399.70 × 54,067.50
  4. Step 4: Simplify right side
    92,295.69x = 6,888,183,009.41
  5. Step 5: Solve for x
    x = 6,888,183,009.41/92,295.69
  6. Step 6: Final answer
    x = 74,631.69

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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.