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Finding the Fourth Proportional to 113,842.60, 170,763.90 and 51,634.60

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Solution

The fourth proportional to 113,842.60, 170,763.90 and 51,634.60 is: 77,451.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    113,842.60 : 170,763.90 = 51,634.60 : x
  2. Step 2: Convert to fraction form
    113,842.60/170,763.90 = 51,634.60/x
  3. Step 3: Cross multiply
    113,842.60x = 170,763.90 × 51,634.60
  4. Step 4: Simplify right side
    113,842.60x = 8,817,325,670.94
  5. Step 5: Solve for x
    x = 8,817,325,670.94/113,842.60
  6. Step 6: Final answer
    x = 77,451.90

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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.