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Finding the Fourth Proportional to 162,767.94, 224,608.88 and 90,165.92

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Solution

The fourth proportional to 162,767.94, 224,608.88 and 90,165.92 is: 124,422.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    162,767.94 : 224,608.88 = 90,165.92 : x
  2. Step 2: Convert to fraction form
    162,767.94/224,608.88 = 90,165.92/x
  3. Step 3: Cross multiply
    162,767.94x = 224,608.88 × 90,165.92
  4. Step 4: Simplify right side
    162,767.94x = 20,252,064,731.50
  5. Step 5: Solve for x
    x = 20,252,064,731.50/162,767.94
  6. Step 6: Final answer
    x = 124,422.93

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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.