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Finding the Fourth Proportional to 122,303.08, 183,472.84 and 43,410.72

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Solution

The fourth proportional to 122,303.08, 183,472.84 and 43,410.72 is: 65,122.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    122,303.08 : 183,472.84 = 43,410.72 : x
  2. Step 2: Convert to fraction form
    122,303.08/183,472.84 = 43,410.72/x
  3. Step 3: Cross multiply
    122,303.08x = 183,472.84 × 43,410.72
  4. Step 4: Simplify right side
    122,303.08x = 7,964,688,084.84
  5. Step 5: Solve for x
    x = 7,964,688,084.84/122,303.08
  6. Step 6: Final answer
    x = 65,122.55

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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.