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Finding the Fourth Proportional to 173,801.80, 260,702.70 and 131,811.40

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Solution

The fourth proportional to 173,801.80, 260,702.70 and 131,811.40 is: 197,717.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    173,801.80 : 260,702.70 = 131,811.40 : x
  2. Step 2: Convert to fraction form
    173,801.80/260,702.70 = 131,811.40/x
  3. Step 3: Cross multiply
    173,801.80x = 260,702.70 × 131,811.40
  4. Step 4: Simplify right side
    173,801.80x = 34,363,587,870.78
  5. Step 5: Solve for x
    x = 34,363,587,870.78/173,801.80
  6. Step 6: Final answer
    x = 197,717.10

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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.