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Finding the Fourth Proportional to 173,130.30, 259,730.55 and 98,286.30

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Solution

The fourth proportional to 173,130.30, 259,730.55 and 98,286.30 is: 147,449.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    173,130.30 : 259,730.55 = 98,286.30 : x
  2. Step 2: Convert to fraction form
    173,130.30/259,730.55 = 98,286.30/x
  3. Step 3: Cross multiply
    173,130.30x = 259,730.55 × 98,286.30
  4. Step 4: Simplify right side
    173,130.30x = 25,527,954,756.47
  5. Step 5: Solve for x
    x = 25,527,954,756.47/173,130.30
  6. Step 6: Final answer
    x = 147,449.38

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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.