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Finding the Fourth Proportional to 111,929.76, 167,854.32 and 37,036.08

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Solution

The fourth proportional to 111,929.76, 167,854.32 and 37,036.08 is: 55,540.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    111,929.76 : 167,854.32 = 37,036.08 : x
  2. Step 2: Convert to fraction form
    111,929.76/167,854.32 = 37,036.08/x
  3. Step 3: Cross multiply
    111,929.76x = 167,854.32 × 37,036.08
  4. Step 4: Simplify right side
    111,929.76x = 6,216,666,023.87
  5. Step 5: Solve for x
    x = 6,216,666,023.87/111,929.76
  6. Step 6: Final answer
    x = 55,540.78

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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.