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Finding the Fourth Proportional to 156,033.66, 215,334.20 and 95,607.66

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Solution

The fourth proportional to 156,033.66, 215,334.20 and 95,607.66 is: 131,943.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    156,033.66 : 215,334.20 = 95,607.66 : x
  2. Step 2: Convert to fraction form
    156,033.66/215,334.20 = 95,607.66/x
  3. Step 3: Cross multiply
    156,033.66x = 215,334.20 × 95,607.66
  4. Step 4: Simplify right side
    156,033.66x = 20,587,598,501.93
  5. Step 5: Solve for x
    x = 20,587,598,501.93/156,033.66
  6. Step 6: Final answer
    x = 131,943.32

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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.