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Finding the Fourth Proportional to 116,442.76, 160,690.98 and 63,450.76

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Solution

The fourth proportional to 116,442.76, 160,690.98 and 63,450.76 is: 87,562.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    116,442.76 : 160,690.98 = 63,450.76 : x
  2. Step 2: Convert to fraction form
    116,442.76/160,690.98 = 63,450.76/x
  3. Step 3: Cross multiply
    116,442.76x = 160,690.98 × 63,450.76
  4. Step 4: Simplify right side
    116,442.76x = 10,195,964,806.14
  5. Step 5: Solve for x
    x = 10,195,964,806.14/116,442.76
  6. Step 6: Final answer
    x = 87,562.03

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.