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Finding the Fourth Proportional to 119,349.66, 179,024.58 and 66,730.44

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Solution

The fourth proportional to 119,349.66, 179,024.58 and 66,730.44 is: 100,095.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    119,349.66 : 179,024.58 = 66,730.44 : x
  2. Step 2: Convert to fraction form
    119,349.66/179,024.58 = 66,730.44/x
  3. Step 3: Cross multiply
    119,349.66x = 179,024.58 × 66,730.44
  4. Step 4: Simplify right side
    119,349.66x = 11,946,388,994.22
  5. Step 5: Solve for x
    x = 11,946,388,994.22/119,349.66
  6. Step 6: Final answer
    x = 100,095.71

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1.5x scale

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.