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Finding the Fourth Proportional to 173,346.20, 260,019.30 and 143,797.40

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Solution

The fourth proportional to 173,346.20, 260,019.30 and 143,797.40 is: 215,696.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    173,346.20 : 260,019.30 = 143,797.40 : x
  2. Step 2: Convert to fraction form
    173,346.20/260,019.30 = 143,797.40/x
  3. Step 3: Cross multiply
    173,346.20x = 260,019.30 × 143,797.40
  4. Step 4: Simplify right side
    173,346.20x = 37,390,099,289.82
  5. Step 5: Solve for x
    x = 37,390,099,289.82/173,346.20
  6. Step 6: Final answer
    x = 215,696.10

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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.