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Finding the Fourth Proportional to 111,036.60, 166,554.90 and 48,828.60

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Solution

The fourth proportional to 111,036.60, 166,554.90 and 48,828.60 is: 73,242.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    111,036.60 : 166,554.90 = 48,828.60 : x
  2. Step 2: Convert to fraction form
    111,036.60/166,554.90 = 48,828.60/x
  3. Step 3: Cross multiply
    111,036.60x = 166,554.90 × 48,828.60
  4. Step 4: Simplify right side
    111,036.60x = 8,132,642,590.14
  5. Step 5: Solve for x
    x = 8,132,642,590.14/111,036.60
  6. Step 6: Final answer
    x = 73,242.90

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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.