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Finding the Fourth Proportional to 60,603.95, 90,782.00 and 49,399.22

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Solution

The fourth proportional to 60,603.95, 90,782.00 and 49,399.22 is: 73,997.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    60,603.95 : 90,782.00 = 49,399.22 : x
  2. Step 2: Convert to fraction form
    60,603.95/90,782.00 = 49,399.22/x
  3. Step 3: Cross multiply
    60,603.95x = 90,782.00 × 49,399.22
  4. Step 4: Simplify right side
    60,603.95x = 4,484,559,970.00
  5. Step 5: Solve for x
    x = 4,484,559,970.00/60,603.95
  6. Step 6: Final answer
    x = 73,997.81

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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.