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Finding the Fourth Proportional to 102,363.98, 141,262.59 and 59,351.90

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Solution

The fourth proportional to 102,363.98, 141,262.59 and 59,351.90 is: 81,905.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    102,363.98 : 141,262.59 = 59,351.90 : x
  2. Step 2: Convert to fraction form
    102,363.98/141,262.59 = 59,351.90/x
  3. Step 3: Cross multiply
    102,363.98x = 141,262.59 × 59,351.90
  4. Step 4: Simplify right side
    102,363.98x = 8,384,202,409.11
  5. Step 5: Solve for x
    x = 8,384,202,409.11/102,363.98
  6. Step 6: Final answer
    x = 81,905.79

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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.