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Finding the Fourth Proportional to 157,813.30, 236,579.01 and 57,950.29

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Solution

The fourth proportional to 157,813.30, 236,579.01 and 57,950.29 is: 86,873.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    157,813.30 : 236,579.01 = 57,950.29 : x
  2. Step 2: Convert to fraction form
    157,813.30/236,579.01 = 57,950.29/x
  3. Step 3: Cross multiply
    157,813.30x = 236,579.01 × 57,950.29
  4. Step 4: Simplify right side
    157,813.30x = 13,709,822,237.41
  5. Step 5: Solve for x
    x = 13,709,822,237.41/157,813.30
  6. Step 6: Final answer
    x = 86,873.68

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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.