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Finding the Fourth Proportional to 247,598.82, 341,688.51 and 134,421.84

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Solution

The fourth proportional to 247,598.82, 341,688.51 and 134,421.84 is: 185,503.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    247,598.82 : 341,688.51 = 134,421.84 : x
  2. Step 2: Convert to fraction form
    247,598.82/341,688.51 = 134,421.84/x
  3. Step 3: Cross multiply
    247,598.82x = 341,688.51 × 134,421.84
  4. Step 4: Simplify right side
    247,598.82x = 45,930,398,221.06
  5. Step 5: Solve for x
    x = 45,930,398,221.06/247,598.82
  6. Step 6: Final answer
    x = 185,503.30

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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.