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Finding the Fourth Proportional to 75,064.80, 112,564.80 and 37,610.40

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Solution

The fourth proportional to 75,064.80, 112,564.80 and 37,610.40 is: 56,399.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    75,064.80 : 112,564.80 = 37,610.40 : x
  2. Step 2: Convert to fraction form
    75,064.80/112,564.80 = 37,610.40/x
  3. Step 3: Cross multiply
    75,064.80x = 112,564.80 × 37,610.40
  4. Step 4: Simplify right side
    75,064.80x = 4,233,607,153.92
  5. Step 5: Solve for x
    x = 4,233,607,153.92/75,064.80
  6. Step 6: Final answer
    x = 56,399.37

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