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Finding the Fourth Proportional to 162,070.93, 223,669.11 and 90,464.91

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Solution

The fourth proportional to 162,070.93, 223,669.11 and 90,464.91 is: 124,847.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    162,070.93 : 223,669.11 = 90,464.91 : x
  2. Step 2: Convert to fraction form
    162,070.93/223,669.11 = 90,464.91/x
  3. Step 3: Cross multiply
    162,070.93x = 223,669.11 × 90,464.91
  4. Step 4: Simplify right side
    162,070.93x = 20,234,205,905.93
  5. Step 5: Solve for x
    x = 20,234,205,905.93/162,070.93
  6. Step 6: Final answer
    x = 124,847.84

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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.