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Finding the Fourth Proportional to 60,807.44, 91,349.52 and 43,992.32

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Solution

The fourth proportional to 60,807.44, 91,349.52 and 43,992.32 is: 66,088.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    60,807.44 : 91,349.52 = 43,992.32 : x
  2. Step 2: Convert to fraction form
    60,807.44/91,349.52 = 43,992.32/x
  3. Step 3: Cross multiply
    60,807.44x = 91,349.52 × 43,992.32
  4. Step 4: Simplify right side
    60,807.44x = 4,018,677,315.69
  5. Step 5: Solve for x
    x = 4,018,677,315.69/60,807.44
  6. Step 6: Final answer
    x = 66,088.58

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.