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Finding the Fourth Proportional to 93,796.88, 129,452.04 and 53,501.40

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Solution

The fourth proportional to 93,796.88, 129,452.04 and 53,501.40 is: 73,838.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    93,796.88 : 129,452.04 = 53,501.40 : x
  2. Step 2: Convert to fraction form
    93,796.88/129,452.04 = 53,501.40/x
  3. Step 3: Cross multiply
    93,796.88x = 129,452.04 × 53,501.40
  4. Step 4: Simplify right side
    93,796.88x = 6,925,865,372.86
  5. Step 5: Solve for x
    x = 6,925,865,372.86/93,796.88
  6. Step 6: Final answer
    x = 73,838.98

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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.