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Finding the Fourth Proportional to 156,012.60, 233,630.10 and 124,908.60

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Solution

The fourth proportional to 156,012.60, 233,630.10 and 124,908.60 is: 187,051.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    156,012.60 : 233,630.10 = 124,908.60 : x
  2. Step 2: Convert to fraction form
    156,012.60/233,630.10 = 124,908.60/x
  3. Step 3: Cross multiply
    156,012.60x = 233,630.10 × 124,908.60
  4. Step 4: Simplify right side
    156,012.60x = 29,182,408,708.86
  5. Step 5: Solve for x
    x = 29,182,408,708.86/156,012.60
  6. Step 6: Final answer
    x = 187,051.61

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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.