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Finding the Fourth Proportional to 111,246.30, 166,869.45 and 41,111.10

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Solution

The fourth proportional to 111,246.30, 166,869.45 and 41,111.10 is: 61,666.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    111,246.30 : 166,869.45 = 41,111.10 : x
  2. Step 2: Convert to fraction form
    111,246.30/166,869.45 = 41,111.10/x
  3. Step 3: Cross multiply
    111,246.30x = 166,869.45 × 41,111.10
  4. Step 4: Simplify right side
    111,246.30x = 6,860,186,645.90
  5. Step 5: Solve for x
    x = 6,860,186,645.90/111,246.30
  6. Step 6: Final answer
    x = 61,666.65

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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.