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Finding the Fourth Proportional to 162,353.89, 224,055.29 and 90,733.91

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Solution

The fourth proportional to 162,353.89, 224,055.29 and 90,733.91 is: 125,216.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    162,353.89 : 224,055.29 = 90,733.91 : x
  2. Step 2: Convert to fraction form
    162,353.89/224,055.29 = 90,733.91/x
  3. Step 3: Cross multiply
    162,353.89x = 224,055.29 × 90,733.91
  4. Step 4: Simplify right side
    162,353.89x = 20,329,410,943.94
  5. Step 5: Solve for x
    x = 20,329,410,943.94/162,353.89
  6. Step 6: Final answer
    x = 125,216.66

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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.