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Finding the Fourth Proportional to 189,061.50, 260,910.36 and 104,184.04

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Solution

The fourth proportional to 189,061.50, 260,910.36 and 104,184.04 is: 143,777.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    189,061.50 : 260,910.36 = 104,184.04 : x
  2. Step 2: Convert to fraction form
    189,061.50/260,910.36 = 104,184.04/x
  3. Step 3: Cross multiply
    189,061.50x = 260,910.36 × 104,184.04
  4. Step 4: Simplify right side
    189,061.50x = 27,182,695,382.65
  5. Step 5: Solve for x
    x = 27,182,695,382.65/189,061.50
  6. Step 6: Final answer
    x = 143,777.00

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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.