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Finding the Fourth Proportional to 73,762.20, 101,800.98 and 45,075.96

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Solution

The fourth proportional to 73,762.20, 101,800.98 and 45,075.96 is: 62,210.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    73,762.20 : 101,800.98 = 45,075.96 : x
  2. Step 2: Convert to fraction form
    73,762.20/101,800.98 = 45,075.96/x
  3. Step 3: Cross multiply
    73,762.20x = 101,800.98 × 45,075.96
  4. Step 4: Simplify right side
    73,762.20x = 4,588,776,902.44
  5. Step 5: Solve for x
    x = 4,588,776,902.44/73,762.20
  6. Step 6: Final answer
    x = 62,210.41

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.