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Finding the Fourth Proportional to 97,449, 134,480.43 and 52,737

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Solution

The fourth proportional to 97,449, 134,480.43 and 52,737 is: 72,777.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    97,449 : 134,480.43 = 52,737 : x
  2. Step 2: Convert to fraction form
    97,449/134,480.43 = 52,737/x
  3. Step 3: Cross multiply
    97,449x = 134,480.43 × 52,737
  4. Step 4: Simplify right side
    97,449x = 7,092,094,436.91
  5. Step 5: Solve for x
    x = 7,092,094,436.91/97,449
  6. Step 6: Final answer
    x = 72,777.50

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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.