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Finding the Fourth Proportional to 173,902.80, 260,854.20 and 166,904.40

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Solution

The fourth proportional to 173,902.80, 260,854.20 and 166,904.40 is: 250,356.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    173,902.80 : 260,854.20 = 166,904.40 : x
  2. Step 2: Convert to fraction form
    173,902.80/260,854.20 = 166,904.40/x
  3. Step 3: Cross multiply
    173,902.80x = 260,854.20 × 166,904.40
  4. Step 4: Simplify right side
    173,902.80x = 43,537,713,738.48
  5. Step 5: Solve for x
    x = 43,537,713,738.48/173,902.80
  6. Step 6: Final answer
    x = 250,356.60

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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.