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Finding the Fourth Proportional to 110,556, 152,460.72 and 74,339.04

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Solution

The fourth proportional to 110,556, 152,460.72 and 74,339.04 is: 102,516.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    110,556 : 152,460.72 = 74,339.04 : x
  2. Step 2: Convert to fraction form
    110,556/152,460.72 = 74,339.04/x
  3. Step 3: Cross multiply
    110,556x = 152,460.72 × 74,339.04
  4. Step 4: Simplify right side
    110,556x = 11,333,783,562.51
  5. Step 5: Solve for x
    x = 11,333,783,562.51/110,556
  6. Step 6: Final answer
    x = 102,516.22

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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.