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Finding the Fourth Proportional to 115,376.70, 173,065.05 and 48,799.56

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Solution

The fourth proportional to 115,376.70, 173,065.05 and 48,799.56 is: 73,199.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    115,376.70 : 173,065.05 = 48,799.56 : x
  2. Step 2: Convert to fraction form
    115,376.70/173,065.05 = 48,799.56/x
  3. Step 3: Cross multiply
    115,376.70x = 173,065.05 × 48,799.56
  4. Step 4: Simplify right side
    115,376.70x = 8,445,498,291.38
  5. Step 5: Solve for x
    x = 8,445,498,291.38/115,376.70
  6. Step 6: Final answer
    x = 73,199.34

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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.