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Finding the Fourth Proportional to 173,219.40, 259,829.10 and 98,310.60

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Solution

The fourth proportional to 173,219.40, 259,829.10 and 98,310.60 is: 147,465.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    173,219.40 : 259,829.10 = 98,310.60 : x
  2. Step 2: Convert to fraction form
    173,219.40/259,829.10 = 98,310.60/x
  3. Step 3: Cross multiply
    173,219.40x = 259,829.10 × 98,310.60
  4. Step 4: Simplify right side
    173,219.40x = 25,543,954,718.46
  5. Step 5: Solve for x
    x = 25,543,954,718.46/173,219.40
  6. Step 6: Final answer
    x = 147,465.90

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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.