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Finding the Fourth Proportional to 177,400.68, 266,100.54 and 72,194.76

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Solution

The fourth proportional to 177,400.68, 266,100.54 and 72,194.76 is: 108,291.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    177,400.68 : 266,100.54 = 72,194.76 : x
  2. Step 2: Convert to fraction form
    177,400.68/266,100.54 = 72,194.76/x
  3. Step 3: Cross multiply
    177,400.68x = 266,100.54 × 72,194.76
  4. Step 4: Simplify right side
    177,400.68x = 19,211,064,621.17
  5. Step 5: Solve for x
    x = 19,211,064,621.17/177,400.68
  6. Step 6: Final answer
    x = 108,291.94

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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.