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Finding the Fourth Proportional to 185,266.88, 255,673.05 and 113,686.46

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Solution

The fourth proportional to 185,266.88, 255,673.05 and 113,686.46 is: 156,890.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    185,266.88 : 255,673.05 = 113,686.46 : x
  2. Step 2: Convert to fraction form
    185,266.88/255,673.05 = 113,686.46/x
  3. Step 3: Cross multiply
    185,266.88x = 255,673.05 × 113,686.46
  4. Step 4: Simplify right side
    185,266.88x = 29,066,563,971.90
  5. Step 5: Solve for x
    x = 29,066,563,971.90/185,266.88
  6. Step 6: Final answer
    x = 156,890.23

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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.