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Finding the Fourth Proportional to 83,306.88, 114,971.40 and 45,586.80

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Solution

The fourth proportional to 83,306.88, 114,971.40 and 45,586.80 is: 62,914.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    83,306.88 : 114,971.40 = 45,586.80 : x
  2. Step 2: Convert to fraction form
    83,306.88/114,971.40 = 45,586.80/x
  3. Step 3: Cross multiply
    83,306.88x = 114,971.40 × 45,586.80
  4. Step 4: Simplify right side
    83,306.88x = 5,241,178,217.52
  5. Step 5: Solve for x
    x = 5,241,178,217.52/83,306.88
  6. Step 6: Final answer
    x = 62,914.11

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1.5x scale

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.