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Finding the Fourth Proportional to 122,796.52, 169,482.41 and 76,877.52

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Solution

The fourth proportional to 122,796.52, 169,482.41 and 76,877.52 is: 106,105.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    122,796.52 : 169,482.41 = 76,877.52 : x
  2. Step 2: Convert to fraction form
    122,796.52/169,482.41 = 76,877.52/x
  3. Step 3: Cross multiply
    122,796.52x = 169,482.41 × 76,877.52
  4. Step 4: Simplify right side
    122,796.52x = 13,029,386,980.04
  5. Step 5: Solve for x
    x = 13,029,386,980.04/122,796.52
  6. Step 6: Final answer
    x = 106,105.51

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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.