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Finding the Fourth Proportional to 183,407.98, 275,088.54 and 71,011.30

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Solution

The fourth proportional to 183,407.98, 275,088.54 and 71,011.30 is: 106,507.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    183,407.98 : 275,088.54 = 71,011.30 : x
  2. Step 2: Convert to fraction form
    183,407.98/275,088.54 = 71,011.30/x
  3. Step 3: Cross multiply
    183,407.98x = 275,088.54 × 71,011.30
  4. Step 4: Simplify right side
    183,407.98x = 19,534,394,840.50
  5. Step 5: Solve for x
    x = 19,534,394,840.50/183,407.98
  6. Step 6: Final answer
    x = 106,507.88

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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.