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Finding the Fourth Proportional to 141,754.16, 212,674.98 and 53,016.63

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Solution

The fourth proportional to 141,754.16, 212,674.98 and 53,016.63 is: 79,541.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    141,754.16 : 212,674.98 = 53,016.63 : x
  2. Step 2: Convert to fraction form
    141,754.16/212,674.98 = 53,016.63/x
  3. Step 3: Cross multiply
    141,754.16x = 212,674.98 × 53,016.63
  4. Step 4: Simplify right side
    141,754.16x = 11,275,310,724.92
  5. Step 5: Solve for x
    x = 11,275,310,724.92/141,754.16
  6. Step 6: Final answer
    x = 79,541.31

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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.