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Finding the Fourth Proportional to 97,383.52, 134,389.20 and 52,671.52

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Solution

The fourth proportional to 97,383.52, 134,389.20 and 52,671.52 is: 72,686.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    97,383.52 : 134,389.20 = 52,671.52 : x
  2. Step 2: Convert to fraction form
    97,383.52/134,389.20 = 52,671.52/x
  3. Step 3: Cross multiply
    97,383.52x = 134,389.20 × 52,671.52
  4. Step 4: Simplify right side
    97,383.52x = 7,078,483,435.58
  5. Step 5: Solve for x
    x = 7,078,483,435.58/97,383.52
  6. Step 6: Final answer
    x = 72,686.67

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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.