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Finding the Fourth Proportional to 104,977.80, 157,466.70 and 101,041.20

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Solution

The fourth proportional to 104,977.80, 157,466.70 and 101,041.20 is: 151,561.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    104,977.80 : 157,466.70 = 101,041.20 : x
  2. Step 2: Convert to fraction form
    104,977.80/157,466.70 = 101,041.20/x
  3. Step 3: Cross multiply
    104,977.80x = 157,466.70 × 101,041.20
  4. Step 4: Simplify right side
    104,977.80x = 15,910,624,328.04
  5. Step 5: Solve for x
    x = 15,910,624,328.04/104,977.80
  6. Step 6: Final answer
    x = 151,561.80

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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.