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Finding the Fourth Proportional to 219,471.16, 329,154.90 and 101,068.60

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Solution

The fourth proportional to 219,471.16, 329,154.90 and 101,068.60 is: 151,579.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    219,471.16 : 329,154.90 = 101,068.60 : x
  2. Step 2: Convert to fraction form
    219,471.16/329,154.90 = 101,068.60/x
  3. Step 3: Cross multiply
    219,471.16x = 329,154.90 × 101,068.60
  4. Step 4: Simplify right side
    219,471.16x = 33,267,224,926.14
  5. Step 5: Solve for x
    x = 33,267,224,926.14/219,471.16
  6. Step 6: Final answer
    x = 151,579.03

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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.