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Finding the Fourth Proportional to 93,985.65, 129,700.35 and 51,544.44

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Solution

The fourth proportional to 93,985.65, 129,700.35 and 51,544.44 is: 71,131.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    93,985.65 : 129,700.35 = 51,544.44 : x
  2. Step 2: Convert to fraction form
    93,985.65/129,700.35 = 51,544.44/x
  3. Step 3: Cross multiply
    93,985.65x = 129,700.35 × 51,544.44
  4. Step 4: Simplify right side
    93,985.65x = 6,685,331,908.55
  5. Step 5: Solve for x
    x = 6,685,331,908.55/93,985.65
  6. Step 6: Final answer
    x = 71,131.41

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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.