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Finding the Fourth Proportional to 111,262.92, 165,901.94 and 98,899.08

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Solution

The fourth proportional to 111,262.92, 165,901.94 and 98,899.08 is: 147,466.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    111,262.92 : 165,901.94 = 98,899.08 : x
  2. Step 2: Convert to fraction form
    111,262.92/165,901.94 = 98,899.08/x
  3. Step 3: Cross multiply
    111,262.92x = 165,901.94 × 98,899.08
  4. Step 4: Simplify right side
    111,262.92x = 16,407,548,741.72
  5. Step 5: Solve for x
    x = 16,407,548,741.72/111,262.92
  6. Step 6: Final answer
    x = 147,466.46

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.