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Finding the Fourth Proportional to 119,312.53, 164,652.39 and 65,597.92

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Solution

The fourth proportional to 119,312.53, 164,652.39 and 65,597.92 is: 90,525.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    119,312.53 : 164,652.39 = 65,597.92 : x
  2. Step 2: Convert to fraction form
    119,312.53/164,652.39 = 65,597.92/x
  3. Step 3: Cross multiply
    119,312.53x = 164,652.39 × 65,597.92
  4. Step 4: Simplify right side
    119,312.53x = 10,800,853,895.40
  5. Step 5: Solve for x
    x = 10,800,853,895.40/119,312.53
  6. Step 6: Final answer
    x = 90,525.73

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.