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Finding the Fourth Proportional to 157,857.32, 236,788.01 and 52,676.29

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Solution

The fourth proportional to 157,857.32, 236,788.01 and 52,676.29 is: 79,015.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    157,857.32 : 236,788.01 = 52,676.29 : x
  2. Step 2: Convert to fraction form
    157,857.32/236,788.01 = 52,676.29/x
  3. Step 3: Cross multiply
    157,857.32x = 236,788.01 × 52,676.29
  4. Step 4: Simplify right side
    157,857.32x = 12,473,114,113.42
  5. Step 5: Solve for x
    x = 12,473,114,113.42/157,857.32
  6. Step 6: Final answer
    x = 79,015.11

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.