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Finding the Fourth Proportional to 122,459.64, 183,689.10 and 43,576.92

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Solution

The fourth proportional to 122,459.64, 183,689.10 and 43,576.92 is: 65,365.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    122,459.64 : 183,689.10 = 43,576.92 : x
  2. Step 2: Convert to fraction form
    122,459.64/183,689.10 = 43,576.92/x
  3. Step 3: Cross multiply
    122,459.64x = 183,689.10 × 43,576.92
  4. Step 4: Simplify right side
    122,459.64x = 8,004,605,215.57
  5. Step 5: Solve for x
    x = 8,004,605,215.57/122,459.64
  6. Step 6: Final answer
    x = 65,365.25

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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.