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Finding the Fourth Proportional to 93,763.96, 129,368.67 and 53,463.02

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Solution

The fourth proportional to 93,763.96, 129,368.67 and 53,463.02 is: 73,764.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    93,763.96 : 129,368.67 = 53,463.02 : x
  2. Step 2: Convert to fraction form
    93,763.96/129,368.67 = 53,463.02/x
  3. Step 3: Cross multiply
    93,763.96x = 129,368.67 × 53,463.02
  4. Step 4: Simplify right side
    93,763.96x = 6,916,439,791.58
  5. Step 5: Solve for x
    x = 6,916,439,791.58/93,763.96
  6. Step 6: Final answer
    x = 73,764.38

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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.