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Finding the Fourth Proportional to 121,594.75, 182,392.94 and 38,488.75

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Solution

The fourth proportional to 121,594.75, 182,392.94 and 38,488.75 is: 57,733.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    121,594.75 : 182,392.94 = 38,488.75 : x
  2. Step 2: Convert to fraction form
    121,594.75/182,392.94 = 38,488.75/x
  3. Step 3: Cross multiply
    121,594.75x = 182,392.94 × 38,488.75
  4. Step 4: Simplify right side
    121,594.75x = 7,020,076,269.43
  5. Step 5: Solve for x
    x = 7,020,076,269.43/121,594.75
  6. Step 6: Final answer
    x = 57,733.38

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1.5x scale

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.