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Finding the Fourth Proportional to 236,354.96, 326,175.96 and 144,488.72

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Solution

The fourth proportional to 236,354.96, 326,175.96 and 144,488.72 is: 199,398.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    236,354.96 : 326,175.96 = 144,488.72 : x
  2. Step 2: Convert to fraction form
    236,354.96/326,175.96 = 144,488.72/x
  3. Step 3: Cross multiply
    236,354.96x = 326,175.96 × 144,488.72
  4. Step 4: Simplify right side
    236,354.96x = 47,128,746,955.17
  5. Step 5: Solve for x
    x = 47,128,746,955.17/236,354.96
  6. Step 6: Final answer
    x = 199,398.17

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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.