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Finding the Fourth Proportional to 156,125.70, 215,461.08 and 95,699.70

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Solution

The fourth proportional to 156,125.70, 215,461.08 and 95,699.70 is: 132,070.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    156,125.70 : 215,461.08 = 95,699.70 : x
  2. Step 2: Convert to fraction form
    156,125.70/215,461.08 = 95,699.70/x
  3. Step 3: Cross multiply
    156,125.70x = 215,461.08 × 95,699.70
  4. Step 4: Simplify right side
    156,125.70x = 20,619,560,717.68
  5. Step 5: Solve for x
    x = 20,619,560,717.68/156,125.70
  6. Step 6: Final answer
    x = 132,070.25

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1.5x scale

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.