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Finding the Fourth Proportional to 173,854.20, 243,745.80 and 173,854.20

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Solution

The fourth proportional to 173,854.20, 243,745.80 and 173,854.20 is: 243,745.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    173,854.20 : 243,745.80 = 173,854.20 : x
  2. Step 2: Convert to fraction form
    173,854.20/243,745.80 = 173,854.20/x
  3. Step 3: Cross multiply
    173,854.20x = 243,745.80 × 173,854.20
  4. Step 4: Simplify right side
    173,854.20x = 42,376,231,062.36
  5. Step 5: Solve for x
    x = 42,376,231,062.36/173,854.20
  6. Step 6: Final answer
    x = 243,745.80

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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.