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Finding the Fourth Proportional to 137,498.60, 206,267.10 and 58,612.20

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Solution

The fourth proportional to 137,498.60, 206,267.10 and 58,612.20 is: 87,926.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    137,498.60 : 206,267.10 = 58,612.20 : x
  2. Step 2: Convert to fraction form
    137,498.60/206,267.10 = 58,612.20/x
  3. Step 3: Cross multiply
    137,498.60x = 206,267.10 × 58,612.20
  4. Step 4: Simplify right side
    137,498.60x = 12,089,768,518.62
  5. Step 5: Solve for x
    x = 12,089,768,518.62/137,498.60
  6. Step 6: Final answer
    x = 87,926.48

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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.