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Finding the Fourth Proportional to 141,857.96, 212,818.06 and 42,025.96

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Solution

The fourth proportional to 141,857.96, 212,818.06 and 42,025.96 is: 63,048.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    141,857.96 : 212,818.06 = 42,025.96 : x
  2. Step 2: Convert to fraction form
    141,857.96/212,818.06 = 42,025.96/x
  3. Step 3: Cross multiply
    141,857.96x = 212,818.06 × 42,025.96
  4. Step 4: Simplify right side
    141,857.96x = 8,943,882,212.75
  5. Step 5: Solve for x
    x = 8,943,882,212.75/141,857.96
  6. Step 6: Final answer
    x = 63,048.15

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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.