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Finding the Fourth Proportional to 111,903.77, 167,813.18 and 37,001.45

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Solution

The fourth proportional to 111,903.77, 167,813.18 and 37,001.45 is: 55,488.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    111,903.77 : 167,813.18 = 37,001.45 : x
  2. Step 2: Convert to fraction form
    111,903.77/167,813.18 = 37,001.45/x
  3. Step 3: Cross multiply
    111,903.77x = 167,813.18 × 37,001.45
  4. Step 4: Simplify right side
    111,903.77x = 6,209,330,804.10
  5. Step 5: Solve for x
    x = 6,209,330,804.10/111,903.77
  6. Step 6: Final answer
    x = 55,488.13

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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.