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Finding the Fourth Proportional to 177,528.30, 266,292.45 and 127,956.30

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Solution

The fourth proportional to 177,528.30, 266,292.45 and 127,956.30 is: 191,934.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    177,528.30 : 266,292.45 = 127,956.30 : x
  2. Step 2: Convert to fraction form
    177,528.30/266,292.45 = 127,956.30/x
  3. Step 3: Cross multiply
    177,528.30x = 266,292.45 × 127,956.30
  4. Step 4: Simplify right side
    177,528.30x = 34,073,796,619.94
  5. Step 5: Solve for x
    x = 34,073,796,619.94/177,528.30
  6. Step 6: Final answer
    x = 191,934.45

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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.