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Finding the Fourth Proportional to 249,486.63, 344,291.54 and 136,310.19

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Solution

The fourth proportional to 249,486.63, 344,291.54 and 136,310.19 is: 188,108.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    249,486.63 : 344,291.54 = 136,310.19 : x
  2. Step 2: Convert to fraction form
    249,486.63/344,291.54 = 136,310.19/x
  3. Step 3: Cross multiply
    249,486.63x = 344,291.54 × 136,310.19
  4. Step 4: Simplify right side
    249,486.63x = 46,930,445,232.79
  5. Step 5: Solve for x
    x = 46,930,445,232.79/249,486.63
  6. Step 6: Final answer
    x = 188,108.06

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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.