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Finding the Fourth Proportional to 70,801.80, 97,686.72 and 43,945.44

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Solution

The fourth proportional to 70,801.80, 97,686.72 and 43,945.44 is: 60,632.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,801.80 : 97,686.72 = 43,945.44 : x
  2. Step 2: Convert to fraction form
    70,801.80/97,686.72 = 43,945.44/x
  3. Step 3: Cross multiply
    70,801.80x = 97,686.72 × 43,945.44
  4. Step 4: Simplify right side
    70,801.80x = 4,292,885,892.56
  5. Step 5: Solve for x
    x = 4,292,885,892.56/70,801.80
  6. Step 6: Final answer
    x = 60,632.44

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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.