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Finding the Fourth Proportional to 249,523, 344,350.25 and 136,353.04

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Solution

The fourth proportional to 249,523, 344,350.25 and 136,353.04 is: 188,171.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    249,523 : 344,350.25 = 136,353.04 : x
  2. Step 2: Convert to fraction form
    249,523/344,350.25 = 136,353.04/x
  3. Step 3: Cross multiply
    249,523x = 344,350.25 × 136,353.04
  4. Step 4: Simplify right side
    249,523x = 46,953,203,412.26
  5. Step 5: Solve for x
    x = 46,953,203,412.26/249,523
  6. Step 6: Final answer
    x = 188,171.85

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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.