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Finding the Fourth Proportional to 93,462.13, 129,024 and 57,671.86

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Solution

The fourth proportional to 93,462.13, 129,024 and 57,671.86 is: 79,615.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    93,462.13 : 129,024 = 57,671.86 : x
  2. Step 2: Convert to fraction form
    93,462.13/129,024 = 57,671.86/x
  3. Step 3: Cross multiply
    93,462.13x = 129,024 × 57,671.86
  4. Step 4: Simplify right side
    93,462.13x = 7,441,054,064.64
  5. Step 5: Solve for x
    x = 7,441,054,064.64/93,462.13
  6. Step 6: Final answer
    x = 79,615.71

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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.