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Finding the Fourth Proportional to 95,891.64, 143,838.80 and 36,730.32

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Solution

The fourth proportional to 95,891.64, 143,838.80 and 36,730.32 is: 55,095.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    95,891.64 : 143,838.80 = 36,730.32 : x
  2. Step 2: Convert to fraction form
    95,891.64/143,838.80 = 36,730.32/x
  3. Step 3: Cross multiply
    95,891.64x = 143,838.80 × 36,730.32
  4. Step 4: Simplify right side
    95,891.64x = 5,283,245,152.42
  5. Step 5: Solve for x
    x = 5,283,245,152.42/95,891.64
  6. Step 6: Final answer
    x = 55,095.99

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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.