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Finding the Fourth Proportional to 162,992.79, 224,940.85 and 91,377.45

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Solution

The fourth proportional to 162,992.79, 224,940.85 and 91,377.45 is: 126,106.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    162,992.79 : 224,940.85 = 91,377.45 : x
  2. Step 2: Convert to fraction form
    162,992.79/224,940.85 = 91,377.45/x
  3. Step 3: Cross multiply
    162,992.79x = 224,940.85 × 91,377.45
  4. Step 4: Simplify right side
    162,992.79x = 20,554,521,045.39
  5. Step 5: Solve for x
    x = 20,554,521,045.39/162,992.79
  6. Step 6: Final answer
    x = 126,106.93

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.