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Finding the Fourth Proportional to 147,775.00, 203,930.80 and 84,116.89

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Solution

The fourth proportional to 147,775.00, 203,930.80 and 84,116.89 is: 116,082.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    147,775.00 : 203,930.80 = 84,116.89 : x
  2. Step 2: Convert to fraction form
    147,775.00/203,930.80 = 84,116.89/x
  3. Step 3: Cross multiply
    147,775.00x = 203,930.80 × 84,116.89
  4. Step 4: Simplify right side
    147,775.00x = 17,154,024,250.63
  5. Step 5: Solve for x
    x = 17,154,024,250.63/147,775.00
  6. Step 6: Final answer
    x = 116,082.05

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Why These Related Problems?

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