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Finding the Fourth Proportional to 156,953.35, 235,411.80 and 44,650.90

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Solution

The fourth proportional to 156,953.35, 235,411.80 and 44,650.90 is: 66,971.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    156,953.35 : 235,411.80 = 44,650.90 : x
  2. Step 2: Convert to fraction form
    156,953.35/235,411.80 = 44,650.90/x
  3. Step 3: Cross multiply
    156,953.35x = 235,411.80 × 44,650.90
  4. Step 4: Simplify right side
    156,953.35x = 10,511,348,740.62
  5. Step 5: Solve for x
    x = 10,511,348,740.62/156,953.35
  6. Step 6: Final answer
    x = 66,971.17

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.