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Finding the Fourth Proportional to 177,761.92, 266,510.08 and 107,624.32

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Solution

The fourth proportional to 177,761.92, 266,510.08 and 107,624.32 is: 161,356.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    177,761.92 : 266,510.08 = 107,624.32 : x
  2. Step 2: Convert to fraction form
    177,761.92/266,510.08 = 107,624.32/x
  3. Step 3: Cross multiply
    177,761.92x = 266,510.08 × 107,624.32
  4. Step 4: Simplify right side
    177,761.92x = 28,682,966,133.15
  5. Step 5: Solve for x
    x = 28,682,966,133.15/177,761.92
  6. Step 6: Final answer
    x = 161,356.08

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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.