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Finding the Fourth Proportional to 80,258.70, 110,731.90 and 46,262.55

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Solution

The fourth proportional to 80,258.70, 110,731.90 and 46,262.55 is: 63,827.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    80,258.70 : 110,731.90 = 46,262.55 : x
  2. Step 2: Convert to fraction form
    80,258.70/110,731.90 = 46,262.55/x
  3. Step 3: Cross multiply
    80,258.70x = 110,731.90 × 46,262.55
  4. Step 4: Simplify right side
    80,258.70x = 5,122,739,823.81
  5. Step 5: Solve for x
    x = 5,122,739,823.81/80,258.70
  6. Step 6: Final answer
    x = 63,827.84

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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.