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Finding the Fourth Proportional to 177,758.40, 266,783.40 and 171,926.40

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Solution

The fourth proportional to 177,758.40, 266,783.40 and 171,926.40 is: 258,030.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    177,758.40 : 266,783.40 = 171,926.40 : x
  2. Step 2: Convert to fraction form
    177,758.40/266,783.40 = 171,926.40/x
  3. Step 3: Cross multiply
    177,758.40x = 266,783.40 × 171,926.40
  4. Step 4: Simplify right side
    177,758.40x = 45,867,109,541.76
  5. Step 5: Solve for x
    x = 45,867,109,541.76/177,758.40
  6. Step 6: Final answer
    x = 258,030.62

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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.