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Finding the Fourth Proportional to 148,214.58, 204,516.90 and 84,548.58

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Solution

The fourth proportional to 148,214.58, 204,516.90 and 84,548.58 is: 116,666.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    148,214.58 : 204,516.90 = 84,548.58 : x
  2. Step 2: Convert to fraction form
    148,214.58/204,516.90 = 84,548.58/x
  3. Step 3: Cross multiply
    148,214.58x = 204,516.90 × 84,548.58
  4. Step 4: Simplify right side
    148,214.58x = 17,291,613,481.00
  5. Step 5: Solve for x
    x = 17,291,613,481.00/148,214.58
  6. Step 6: Final answer
    x = 116,666.08

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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.