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Finding the Fourth Proportional to 173,226.80, 259,926.60 and 98,404.40

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Solution

The fourth proportional to 173,226.80, 259,926.60 and 98,404.40 is: 147,655.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    173,226.80 : 259,926.60 = 98,404.40 : x
  2. Step 2: Convert to fraction form
    173,226.80/259,926.60 = 98,404.40/x
  3. Step 3: Cross multiply
    173,226.80x = 259,926.60 × 98,404.40
  4. Step 4: Simplify right side
    173,226.80x = 25,577,921,117.04
  5. Step 5: Solve for x
    x = 25,577,921,117.04/173,226.80
  6. Step 6: Final answer
    x = 147,655.68

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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.