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Finding the Fourth Proportional to 132,830.60, 199,245.90 and 97,838.60

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Solution

The fourth proportional to 132,830.60, 199,245.90 and 97,838.60 is: 146,757.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    132,830.60 : 199,245.90 = 97,838.60 : x
  2. Step 2: Convert to fraction form
    132,830.60/199,245.90 = 97,838.60/x
  3. Step 3: Cross multiply
    132,830.60x = 199,245.90 × 97,838.60
  4. Step 4: Simplify right side
    132,830.60x = 19,493,939,911.74
  5. Step 5: Solve for x
    x = 19,493,939,911.74/132,830.60
  6. Step 6: Final answer
    x = 146,757.90

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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.