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Finding the Fourth Proportional to 107,477.28, 161,280.72 and 37,405.80

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Solution

The fourth proportional to 107,477.28, 161,280.72 and 37,405.80 is: 56,131.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    107,477.28 : 161,280.72 = 37,405.80 : x
  2. Step 2: Convert to fraction form
    107,477.28/161,280.72 = 37,405.80/x
  3. Step 3: Cross multiply
    107,477.28x = 161,280.72 × 37,405.80
  4. Step 4: Simplify right side
    107,477.28x = 6,032,834,356.18
  5. Step 5: Solve for x
    x = 6,032,834,356.18/107,477.28
  6. Step 6: Final answer
    x = 56,131.25

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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.