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Finding the Fourth Proportional to 83,306.70, 114,966.03 and 45,580.98

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Solution

The fourth proportional to 83,306.70, 114,966.03 and 45,580.98 is: 62,903.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    83,306.70 : 114,966.03 = 45,580.98 : x
  2. Step 2: Convert to fraction form
    83,306.70/114,966.03 = 45,580.98/x
  3. Step 3: Cross multiply
    83,306.70x = 114,966.03 × 45,580.98
  4. Step 4: Simplify right side
    83,306.70x = 5,240,264,314.11
  5. Step 5: Solve for x
    x = 5,240,264,314.11/83,306.70
  6. Step 6: Final answer
    x = 62,903.28

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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.