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Finding the Fourth Proportional to 173,632.80, 260,400.60 and 55,340.40

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Solution

The fourth proportional to 173,632.80, 260,400.60 and 55,340.40 is: 82,995.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    173,632.80 : 260,400.60 = 55,340.40 : x
  2. Step 2: Convert to fraction form
    173,632.80/260,400.60 = 55,340.40/x
  3. Step 3: Cross multiply
    173,632.80x = 260,400.60 × 55,340.40
  4. Step 4: Simplify right side
    173,632.80x = 14,410,673,364.24
  5. Step 5: Solve for x
    x = 14,410,673,364.24/173,632.80
  6. Step 6: Final answer
    x = 82,995.11

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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.