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Finding the Fourth Proportional to 119,820.52, 179,730.76 and 36,714.52

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Solution

The fourth proportional to 119,820.52, 179,730.76 and 36,714.52 is: 55,071.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    119,820.52 : 179,730.76 = 36,714.52 : x
  2. Step 2: Convert to fraction form
    119,820.52/179,730.76 = 36,714.52/x
  3. Step 3: Cross multiply
    119,820.52x = 179,730.76 × 36,714.52
  4. Step 4: Simplify right side
    119,820.52x = 6,598,728,582.64
  5. Step 5: Solve for x
    x = 6,598,728,582.64/119,820.52
  6. Step 6: Final answer
    x = 55,071.77

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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.