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Finding the Fourth Proportional to 189,075.99, 260,937.50 and 104,193.05

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Solution

The fourth proportional to 189,075.99, 260,937.50 and 104,193.05 is: 143,793.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    189,075.99 : 260,937.50 = 104,193.05 : x
  2. Step 2: Convert to fraction form
    189,075.99/260,937.50 = 104,193.05/x
  3. Step 3: Cross multiply
    189,075.99x = 260,937.50 × 104,193.05
  4. Step 4: Simplify right side
    189,075.99x = 27,187,872,158.72
  5. Step 5: Solve for x
    x = 27,187,872,158.72/189,075.99
  6. Step 6: Final answer
    x = 143,793.36

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1.5x scale

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.