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Finding the Fourth Proportional to 124,205.40, 173,493.90 and 124,205.40

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Solution

The fourth proportional to 124,205.40, 173,493.90 and 124,205.40 is: 173,493.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    124,205.40 : 173,493.90 = 124,205.40 : x
  2. Step 2: Convert to fraction form
    124,205.40/173,493.90 = 124,205.40/x
  3. Step 3: Cross multiply
    124,205.40x = 173,493.90 × 124,205.40
  4. Step 4: Simplify right side
    124,205.40x = 21,548,879,247.06
  5. Step 5: Solve for x
    x = 21,548,879,247.06/124,205.40
  6. Step 6: Final answer
    x = 173,493.90

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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.