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Finding the Fourth Proportional to 162,479.30, 243,659.24 and 55,833.02

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Solution

The fourth proportional to 162,479.30, 243,659.24 and 55,833.02 is: 83,729.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    162,479.30 : 243,659.24 = 55,833.02 : x
  2. Step 2: Convert to fraction form
    162,479.30/243,659.24 = 55,833.02/x
  3. Step 3: Cross multiply
    162,479.30x = 243,659.24 × 55,833.02
  4. Step 4: Simplify right side
    162,479.30x = 13,604,229,722.64
  5. Step 5: Solve for x
    x = 13,604,229,722.64/162,479.30
  6. Step 6: Final answer
    x = 83,729.00

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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.