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Finding the Fourth Proportional to 173,412.40, 259,924.20 and 98,568.40

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Solution

The fourth proportional to 173,412.40, 259,924.20 and 98,568.40 is: 147,742.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    173,412.40 : 259,924.20 = 98,568.40 : x
  2. Step 2: Convert to fraction form
    173,412.40/259,924.20 = 98,568.40/x
  3. Step 3: Cross multiply
    173,412.40x = 259,924.20 × 98,568.40
  4. Step 4: Simplify right side
    173,412.40x = 25,620,312,515.28
  5. Step 5: Solve for x
    x = 25,620,312,515.28/173,412.40
  6. Step 6: Final answer
    x = 147,742.10

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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.