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Finding the Fourth Proportional to 97,492.70, 134,540.24 and 52,780.70

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Solution

The fourth proportional to 97,492.70, 134,540.24 and 52,780.70 is: 72,837.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    97,492.70 : 134,540.24 = 52,780.70 : x
  2. Step 2: Convert to fraction form
    97,492.70/134,540.24 = 52,780.70/x
  3. Step 3: Cross multiply
    97,492.70x = 134,540.24 × 52,780.70
  4. Step 4: Simplify right side
    97,492.70x = 7,101,128,045.37
  5. Step 5: Solve for x
    x = 7,101,128,045.37/97,492.70
  6. Step 6: Final answer
    x = 72,837.54

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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.