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Finding the Fourth Proportional to 252,283.76, 348,154.34 and 137,561.49

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Solution

The fourth proportional to 252,283.76, 348,154.34 and 137,561.49 is: 189,836.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    252,283.76 : 348,154.34 = 137,561.49 : x
  2. Step 2: Convert to fraction form
    252,283.76/348,154.34 = 137,561.49/x
  3. Step 3: Cross multiply
    252,283.76x = 348,154.34 × 137,561.49
  4. Step 4: Simplify right side
    252,283.76x = 47,892,627,331.79
  5. Step 5: Solve for x
    x = 47,892,627,331.79/252,283.76
  6. Step 6: Final answer
    x = 189,836.35

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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.