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Finding the Fourth Proportional to 116,620.90, 174,672.15 and 101,068.90

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Solution

The fourth proportional to 116,620.90, 174,672.15 and 101,068.90 is: 151,378.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    116,620.90 : 174,672.15 = 101,068.90 : x
  2. Step 2: Convert to fraction form
    116,620.90/174,672.15 = 101,068.90/x
  3. Step 3: Cross multiply
    116,620.90x = 174,672.15 × 101,068.90
  4. Step 4: Simplify right side
    116,620.90x = 17,653,922,061.14
  5. Step 5: Solve for x
    x = 17,653,922,061.14/116,620.90
  6. Step 6: Final answer
    x = 151,378.72

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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.