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Finding the Fourth Proportional to 173,643.65, 260,475.55 and 67,028.11

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Solution

The fourth proportional to 173,643.65, 260,475.55 and 67,028.11 is: 100,546.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    173,643.65 : 260,475.55 = 67,028.11 : x
  2. Step 2: Convert to fraction form
    173,643.65/260,475.55 = 67,028.11/x
  3. Step 3: Cross multiply
    173,643.65x = 260,475.55 × 67,028.11
  4. Step 4: Simplify right side
    173,643.65x = 17,459,182,998.95
  5. Step 5: Solve for x
    x = 17,459,182,998.95/173,643.65
  6. Step 6: Final answer
    x = 100,546.05

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1.5x scale

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.