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Finding the Fourth Proportional to 83,245.40, 114,878.48 and 45,004.96

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Solution

The fourth proportional to 83,245.40, 114,878.48 and 45,004.96 is: 62,106.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    83,245.40 : 114,878.48 = 45,004.96 : x
  2. Step 2: Convert to fraction form
    83,245.40/114,878.48 = 45,004.96/x
  3. Step 3: Cross multiply
    83,245.40x = 114,878.48 × 45,004.96
  4. Step 4: Simplify right side
    83,245.40x = 5,170,101,397.26
  5. Step 5: Solve for x
    x = 5,170,101,397.26/83,245.40
  6. Step 6: Final answer
    x = 62,106.75

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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.