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Finding the Fourth Proportional to 177,511.40, 266,190.90 and 65,154.68

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Solution

The fourth proportional to 177,511.40, 266,190.90 and 65,154.68 is: 97,704.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    177,511.40 : 266,190.90 = 65,154.68 : x
  2. Step 2: Convert to fraction form
    177,511.40/266,190.90 = 65,154.68/x
  3. Step 3: Cross multiply
    177,511.40x = 266,190.90 × 65,154.68
  4. Step 4: Simplify right side
    177,511.40x = 17,343,582,908.41
  5. Step 5: Solve for x
    x = 17,343,582,908.41/177,511.40
  6. Step 6: Final answer
    x = 97,704.05

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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.