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Finding the Fourth Proportional to 83,496.99, 115,225.68 and 45,771.51

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Solution

The fourth proportional to 83,496.99, 115,225.68 and 45,771.51 is: 63,164.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    83,496.99 : 115,225.68 = 45,771.51 : x
  2. Step 2: Convert to fraction form
    83,496.99/115,225.68 = 45,771.51/x
  3. Step 3: Cross multiply
    83,496.99x = 115,225.68 × 45,771.51
  4. Step 4: Simplify right side
    83,496.99x = 5,274,053,364.38
  5. Step 5: Solve for x
    x = 5,274,053,364.38/83,496.99
  6. Step 6: Final answer
    x = 63,164.59

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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.