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Finding the Fourth Proportional to 173,639.60, 260,049.80 and 107,284.40

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Solution

The fourth proportional to 173,639.60, 260,049.80 and 107,284.40 is: 160,673.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    173,639.60 : 260,049.80 = 107,284.40 : x
  2. Step 2: Convert to fraction form
    173,639.60/260,049.80 = 107,284.40/x
  3. Step 3: Cross multiply
    173,639.60x = 260,049.80 × 107,284.40
  4. Step 4: Simplify right side
    173,639.60x = 27,899,286,763.12
  5. Step 5: Solve for x
    x = 27,899,286,763.12/173,639.60
  6. Step 6: Final answer
    x = 160,673.53

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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.