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Finding the Fourth Proportional to 119,242, 164,588.52 and 79,498

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Solution

The fourth proportional to 119,242, 164,588.52 and 79,498 is: 109,730.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    119,242 : 164,588.52 = 79,498 : x
  2. Step 2: Convert to fraction form
    119,242/164,588.52 = 79,498/x
  3. Step 3: Cross multiply
    119,242x = 164,588.52 × 79,498
  4. Step 4: Simplify right side
    119,242x = 13,084,458,162.96
  5. Step 5: Solve for x
    x = 13,084,458,162.96/119,242
  6. Step 6: Final answer
    x = 109,730.28

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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.