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Finding the Fourth Proportional to 247,705.83, 341,835.80 and 134,528.58

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Solution

The fourth proportional to 247,705.83, 341,835.80 and 134,528.58 is: 185,650.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    247,705.83 : 341,835.80 = 134,528.58 : x
  2. Step 2: Convert to fraction form
    247,705.83/341,835.80 = 134,528.58/x
  3. Step 3: Cross multiply
    247,705.83x = 341,835.80 × 134,528.58
  4. Step 4: Simplify right side
    247,705.83x = 45,986,684,094.52
  5. Step 5: Solve for x
    x = 45,986,684,094.52/247,705.83
  6. Step 6: Final answer
    x = 185,650.39

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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.