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Finding the Fourth Proportional to 131,955.70, 182,095.41 and 71,523.70

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Solution

The fourth proportional to 131,955.70, 182,095.41 and 71,523.70 is: 98,700.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    131,955.70 : 182,095.41 = 71,523.70 : x
  2. Step 2: Convert to fraction form
    131,955.70/182,095.41 = 71,523.70/x
  3. Step 3: Cross multiply
    131,955.70x = 182,095.41 × 71,523.70
  4. Step 4: Simplify right side
    131,955.70x = 13,024,137,476.22
  5. Step 5: Solve for x
    x = 13,024,137,476.22/131,955.70
  6. Step 6: Final answer
    x = 98,700.83

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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.