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Finding the Fourth Proportional to 94,367.84, 130,185.29 and 63,730.98

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Solution

The fourth proportional to 94,367.84, 130,185.29 and 63,730.98 is: 87,920.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    94,367.84 : 130,185.29 = 63,730.98 : x
  2. Step 2: Convert to fraction form
    94,367.84/130,185.29 = 63,730.98/x
  3. Step 3: Cross multiply
    94,367.84x = 130,185.29 × 63,730.98
  4. Step 4: Simplify right side
    94,367.84x = 8,296,835,794.63
  5. Step 5: Solve for x
    x = 8,296,835,794.63/94,367.84
  6. Step 6: Final answer
    x = 87,920.17

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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.