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Finding the Fourth Proportional to 94,100.32, 129,850.40 and 53,807.58

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Solution

The fourth proportional to 94,100.32, 129,850.40 and 53,807.58 is: 74,249.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    94,100.32 : 129,850.40 = 53,807.58 : x
  2. Step 2: Convert to fraction form
    94,100.32/129,850.40 = 53,807.58/x
  3. Step 3: Cross multiply
    94,100.32x = 129,850.40 × 53,807.58
  4. Step 4: Simplify right side
    94,100.32x = 6,986,935,786.03
  5. Step 5: Solve for x
    x = 6,986,935,786.03/94,100.32
  6. Step 6: Final answer
    x = 74,249.86

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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.