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Finding the Fourth Proportional to 73,548.71, 110,323.11 and 51,405.32

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Solution

The fourth proportional to 73,548.71, 110,323.11 and 51,405.32 is: 77,108.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    73,548.71 : 110,323.11 = 51,405.32 : x
  2. Step 2: Convert to fraction form
    73,548.71/110,323.11 = 51,405.32/x
  3. Step 3: Cross multiply
    73,548.71x = 110,323.11 × 51,405.32
  4. Step 4: Simplify right side
    73,548.71x = 5,671,194,772.95
  5. Step 5: Solve for x
    x = 5,671,194,772.95/73,548.71
  6. Step 6: Final answer
    x = 77,108.01

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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.