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Finding the Fourth Proportional to 173,288.40, 259,932.60 and 98,379.60

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Solution

The fourth proportional to 173,288.40, 259,932.60 and 98,379.60 is: 147,569.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    173,288.40 : 259,932.60 = 98,379.60 : x
  2. Step 2: Convert to fraction form
    173,288.40/259,932.60 = 98,379.60/x
  3. Step 3: Cross multiply
    173,288.40x = 259,932.60 × 98,379.60
  4. Step 4: Simplify right side
    173,288.40x = 25,572,065,214.96
  5. Step 5: Solve for x
    x = 25,572,065,214.96/173,288.40
  6. Step 6: Final answer
    x = 147,569.40

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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.