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Finding the Fourth Proportional to 156,046.60, 233,673.90 and 85,846.60

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Solution

The fourth proportional to 156,046.60, 233,673.90 and 85,846.60 is: 128,552.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    156,046.60 : 233,673.90 = 85,846.60 : x
  2. Step 2: Convert to fraction form
    156,046.60/233,673.90 = 85,846.60/x
  3. Step 3: Cross multiply
    156,046.60x = 233,673.90 × 85,846.60
  4. Step 4: Simplify right side
    156,046.60x = 20,060,109,823.74
  5. Step 5: Solve for x
    x = 20,060,109,823.74/156,046.60
  6. Step 6: Final answer
    x = 128,552.05

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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.