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Finding the Fourth Proportional to 111,572.70, 167,359.06 and 32,686.93

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Solution

The fourth proportional to 111,572.70, 167,359.06 and 32,686.93 is: 49,030.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    111,572.70 : 167,359.06 = 32,686.93 : x
  2. Step 2: Convert to fraction form
    111,572.70/167,359.06 = 32,686.93/x
  3. Step 3: Cross multiply
    111,572.70x = 167,359.06 × 32,686.93
  4. Step 4: Simplify right side
    111,572.70x = 5,470,453,879.09
  5. Step 5: Solve for x
    x = 5,470,453,879.09/111,572.70
  6. Step 6: Final answer
    x = 49,030.40

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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.