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Finding the Fourth Proportional to 91,165.44, 125,736.48 and 59,344.32

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Solution

The fourth proportional to 91,165.44, 125,736.48 and 59,344.32 is: 81,848.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    91,165.44 : 125,736.48 = 59,344.32 : x
  2. Step 2: Convert to fraction form
    91,165.44/125,736.48 = 59,344.32/x
  3. Step 3: Cross multiply
    91,165.44x = 125,736.48 × 59,344.32
  4. Step 4: Simplify right side
    91,165.44x = 7,461,745,904.79
  5. Step 5: Solve for x
    x = 7,461,745,904.79/91,165.44
  6. Step 6: Final answer
    x = 81,848.41

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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.