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Finding the Fourth Proportional to 224,417.82, 336,528.18 and 84,078.04

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Solution

The fourth proportional to 224,417.82, 336,528.18 and 84,078.04 is: 126,080.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    224,417.82 : 336,528.18 = 84,078.04 : x
  2. Step 2: Convert to fraction form
    224,417.82/336,528.18 = 84,078.04/x
  3. Step 3: Cross multiply
    224,417.82x = 336,528.18 × 84,078.04
  4. Step 4: Simplify right side
    224,417.82x = 28,294,629,779.17
  5. Step 5: Solve for x
    x = 28,294,629,779.17/224,417.82
  6. Step 6: Final answer
    x = 126,080.14

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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.