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Finding the Fourth Proportional to 134,389.40, 201,541.12 and 44,415.32

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Solution

The fourth proportional to 134,389.40, 201,541.12 and 44,415.32 is: 66,608.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    134,389.40 : 201,541.12 = 44,415.32 : x
  2. Step 2: Convert to fraction form
    134,389.40/201,541.12 = 44,415.32/x
  3. Step 3: Cross multiply
    134,389.40x = 201,541.12 × 44,415.32
  4. Step 4: Simplify right side
    134,389.40x = 8,951,513,337.96
  5. Step 5: Solve for x
    x = 8,951,513,337.96/134,389.40
  6. Step 6: Final answer
    x = 66,608.78

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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.