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Finding the Fourth Proportional to 177,203.60, 265,805.40 and 129,964.40

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Solution

The fourth proportional to 177,203.60, 265,805.40 and 129,964.40 is: 194,946.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    177,203.60 : 265,805.40 = 129,964.40 : x
  2. Step 2: Convert to fraction form
    177,203.60/265,805.40 = 129,964.40/x
  3. Step 3: Cross multiply
    177,203.60x = 265,805.40 × 129,964.40
  4. Step 4: Simplify right side
    177,203.60x = 34,545,239,327.76
  5. Step 5: Solve for x
    x = 34,545,239,327.76/177,203.60
  6. Step 6: Final answer
    x = 194,946.60

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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.