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Finding the Fourth Proportional to 177,231.40, 265,616.70 and 127,925.80

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Solution

The fourth proportional to 177,231.40, 265,616.70 and 127,925.80 is: 191,722.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    177,231.40 : 265,616.70 = 127,925.80 : x
  2. Step 2: Convert to fraction form
    177,231.40/265,616.70 = 127,925.80/x
  3. Step 3: Cross multiply
    177,231.40x = 265,616.70 × 127,925.80
  4. Step 4: Simplify right side
    177,231.40x = 33,979,228,840.86
  5. Step 5: Solve for x
    x = 33,979,228,840.86/177,231.40
  6. Step 6: Final answer
    x = 191,722.40

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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.