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Finding the Fourth Proportional to 247,699.96, 341,829.90 and 134,522.70

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Solution

The fourth proportional to 247,699.96, 341,829.90 and 134,522.70 is: 185,643.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    247,699.96 : 341,829.90 = 134,522.70 : x
  2. Step 2: Convert to fraction form
    247,699.96/341,829.90 = 134,522.70/x
  3. Step 3: Cross multiply
    247,699.96x = 341,829.90 × 134,522.70
  4. Step 4: Simplify right side
    247,699.96x = 45,983,881,088.73
  5. Step 5: Solve for x
    x = 45,983,881,088.73/247,699.96
  6. Step 6: Final answer
    x = 185,643.47

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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.