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Finding the Fourth Proportional to 97,384.52, 134,390.58 and 52,672.52

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Solution

The fourth proportional to 97,384.52, 134,390.58 and 52,672.52 is: 72,688.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    97,384.52 : 134,390.58 = 52,672.52 : x
  2. Step 2: Convert to fraction form
    97,384.52/134,390.58 = 52,672.52/x
  3. Step 3: Cross multiply
    97,384.52x = 134,390.58 × 52,672.52
  4. Step 4: Simplify right side
    97,384.52x = 7,078,690,512.86
  5. Step 5: Solve for x
    x = 7,078,690,512.86/97,384.52
  6. Step 6: Final answer
    x = 72,688.05

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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.