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Finding the Fourth Proportional to 173,381.60, 260,072.40 and 126,725.60

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Solution

The fourth proportional to 173,381.60, 260,072.40 and 126,725.60 is: 190,088.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    173,381.60 : 260,072.40 = 126,725.60 : x
  2. Step 2: Convert to fraction form
    173,381.60/260,072.40 = 126,725.60/x
  3. Step 3: Cross multiply
    173,381.60x = 260,072.40 × 126,725.60
  4. Step 4: Simplify right side
    173,381.60x = 32,957,830,933.44
  5. Step 5: Solve for x
    x = 32,957,830,933.44/173,381.60
  6. Step 6: Final answer
    x = 190,088.40

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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.