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Finding the Fourth Proportional to 132,063.90, 198,225.45 and 65,579.10

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Solution

The fourth proportional to 132,063.90, 198,225.45 and 65,579.10 is: 98,433.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    132,063.90 : 198,225.45 = 65,579.10 : x
  2. Step 2: Convert to fraction form
    132,063.90/198,225.45 = 65,579.10/x
  3. Step 3: Cross multiply
    132,063.90x = 198,225.45 × 65,579.10
  4. Step 4: Simplify right side
    132,063.90x = 12,999,446,608.10
  5. Step 5: Solve for x
    x = 12,999,446,608.10/132,063.90
  6. Step 6: Final answer
    x = 98,433.01

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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.