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Finding the Fourth Proportional to 156,951.15, 235,426.73 and 156,951.15

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Solution

The fourth proportional to 156,951.15, 235,426.73 and 156,951.15 is: 235,426.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    156,951.15 : 235,426.73 = 156,951.15 : x
  2. Step 2: Convert to fraction form
    156,951.15/235,426.73 = 156,951.15/x
  3. Step 3: Cross multiply
    156,951.15x = 235,426.73 × 156,951.15
  4. Step 4: Simplify right side
    156,951.15x = 36,950,495,229.48
  5. Step 5: Solve for x
    x = 36,950,495,229.48/156,951.15
  6. Step 6: Final answer
    x = 235,426.73

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1.5x scale

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.