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Finding the Fourth Proportional to 452,669.06, 679,108.61 and 132,808.01

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Solution

The fourth proportional to 452,669.06, 679,108.61 and 132,808.01 is: 199,242.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    452,669.06 : 679,108.61 = 132,808.01 : x
  2. Step 2: Convert to fraction form
    452,669.06/679,108.61 = 132,808.01/x
  3. Step 3: Cross multiply
    452,669.06x = 679,108.61 × 132,808.01
  4. Step 4: Simplify right side
    452,669.06x = 90,191,059,257.40
  5. Step 5: Solve for x
    x = 90,191,059,257.40/452,669.06
  6. Step 6: Final answer
    x = 199,242.82

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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.