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Finding the Fourth Proportional to 122,574.30, 183,861.45 and 116,871.90

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Solution

The fourth proportional to 122,574.30, 183,861.45 and 116,871.90 is: 175,307.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    122,574.30 : 183,861.45 = 116,871.90 : x
  2. Step 2: Convert to fraction form
    122,574.30/183,861.45 = 116,871.90/x
  3. Step 3: Cross multiply
    122,574.30x = 183,861.45 × 116,871.90
  4. Step 4: Simplify right side
    122,574.30x = 21,488,236,998.26
  5. Step 5: Solve for x
    x = 21,488,236,998.26/122,574.30
  6. Step 6: Final answer
    x = 175,307.85

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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.