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Finding the Fourth Proportional to 180,469.14, 249,044.39 and 99,894.93

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Solution

The fourth proportional to 180,469.14, 249,044.39 and 99,894.93 is: 137,853.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    180,469.14 : 249,044.39 = 99,894.93 : x
  2. Step 2: Convert to fraction form
    180,469.14/249,044.39 = 99,894.93/x
  3. Step 3: Cross multiply
    180,469.14x = 249,044.39 × 99,894.93
  4. Step 4: Simplify right side
    180,469.14x = 24,878,271,905.94
  5. Step 5: Solve for x
    x = 24,878,271,905.94/180,469.14
  6. Step 6: Final answer
    x = 137,853.33

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.