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Finding the Fourth Proportional to 173,645.40, 260,468.10 and 55,325.40

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Solution

The fourth proportional to 173,645.40, 260,468.10 and 55,325.40 is: 82,988.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    173,645.40 : 260,468.10 = 55,325.40 : x
  2. Step 2: Convert to fraction form
    173,645.40/260,468.10 = 55,325.40/x
  3. Step 3: Cross multiply
    173,645.40x = 260,468.10 × 55,325.40
  4. Step 4: Simplify right side
    173,645.40x = 14,410,501,819.74
  5. Step 5: Solve for x
    x = 14,410,501,819.74/173,645.40
  6. Step 6: Final answer
    x = 82,988.10

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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.