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Finding the Fourth Proportional to 252,308.84, 348,194.60 and 137,593.76

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Solution

The fourth proportional to 252,308.84, 348,194.60 and 137,593.76 is: 189,883.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    252,308.84 : 348,194.60 = 137,593.76 : x
  2. Step 2: Convert to fraction form
    252,308.84/348,194.60 = 137,593.76/x
  3. Step 3: Cross multiply
    252,308.84x = 348,194.60 × 137,593.76
  4. Step 4: Simplify right side
    252,308.84x = 47,909,402,828.71
  5. Step 5: Solve for x
    x = 47,909,402,828.71/252,308.84
  6. Step 6: Final answer
    x = 189,883.97

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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.