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Finding the Fourth Proportional to 177,872.70, 266,722.65 and 98,903.10

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Solution

The fourth proportional to 177,872.70, 266,722.65 and 98,903.10 is: 148,306.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    177,872.70 : 266,722.65 = 98,903.10 : x
  2. Step 2: Convert to fraction form
    177,872.70/266,722.65 = 98,903.10/x
  3. Step 3: Cross multiply
    177,872.70x = 266,722.65 × 98,903.10
  4. Step 4: Simplify right side
    177,872.70x = 26,379,696,925.22
  5. Step 5: Solve for x
    x = 26,379,696,925.22/177,872.70
  6. Step 6: Final answer
    x = 148,306.61

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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.