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Finding the Fourth Proportional to 83,081.79, 114,666.03 and 52,835.58

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Solution

The fourth proportional to 83,081.79, 114,666.03 and 52,835.58 is: 72,921.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    83,081.79 : 114,666.03 = 52,835.58 : x
  2. Step 2: Convert to fraction form
    83,081.79/114,666.03 = 52,835.58/x
  3. Step 3: Cross multiply
    83,081.79x = 114,666.03 × 52,835.58
  4. Step 4: Simplify right side
    83,081.79x = 6,058,446,201.35
  5. Step 5: Solve for x
    x = 6,058,446,201.35/83,081.79
  6. Step 6: Final answer
    x = 72,921.47

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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.