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Finding the Fourth Proportional to 141,305.80, 212,304.30 and 106,313.80

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Solution

The fourth proportional to 141,305.80, 212,304.30 and 106,313.80 is: 159,730.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    141,305.80 : 212,304.30 = 106,313.80 : x
  2. Step 2: Convert to fraction form
    141,305.80/212,304.30 = 106,313.80/x
  3. Step 3: Cross multiply
    141,305.80x = 212,304.30 × 106,313.80
  4. Step 4: Simplify right side
    141,305.80x = 22,570,876,889.34
  5. Step 5: Solve for x
    x = 22,570,876,889.34/141,305.80
  6. Step 6: Final answer
    x = 159,730.72

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1.5x scale

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.