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Finding the Fourth Proportional to 177,636.96, 266,471.76 and 51,275.58

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Solution

The fourth proportional to 177,636.96, 266,471.76 and 51,275.58 is: 76,918.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    177,636.96 : 266,471.76 = 51,275.58 : x
  2. Step 2: Convert to fraction form
    177,636.96/266,471.76 = 51,275.58/x
  3. Step 3: Cross multiply
    177,636.96x = 266,471.76 × 51,275.58
  4. Step 4: Simplify right side
    177,636.96x = 13,663,494,047.62
  5. Step 5: Solve for x
    x = 13,663,494,047.62/177,636.96
  6. Step 6: Final answer
    x = 76,918.08

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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.