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Finding the Fourth Proportional to 249,672, 344,548.59 and 136,494.75

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Solution

The fourth proportional to 249,672, 344,548.59 and 136,494.75 is: 188,363.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    249,672 : 344,548.59 = 136,494.75 : x
  2. Step 2: Convert to fraction form
    249,672/344,548.59 = 136,494.75/x
  3. Step 3: Cross multiply
    249,672x = 344,548.59 × 136,494.75
  4. Step 4: Simplify right side
    249,672x = 47,029,073,654.90
  5. Step 5: Solve for x
    x = 47,029,073,654.90/249,672
  6. Step 6: Final answer
    x = 188,363.43

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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.