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Finding the Fourth Proportional to 173,399.10, 242,447.70 and 173,399.10

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Solution

The fourth proportional to 173,399.10, 242,447.70 and 173,399.10 is: 242,447.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    173,399.10 : 242,447.70 = 173,399.10 : x
  2. Step 2: Convert to fraction form
    173,399.10/242,447.70 = 173,399.10/x
  3. Step 3: Cross multiply
    173,399.10x = 242,447.70 × 173,399.10
  4. Step 4: Simplify right side
    173,399.10x = 42,040,212,977.07
  5. Step 5: Solve for x
    x = 42,040,212,977.07/173,399.10
  6. Step 6: Final answer
    x = 242,447.70

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.40) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.