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Finding the Fourth Proportional to 173,695.40, 260,543.10 and 164,018.60

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Solution

The fourth proportional to 173,695.40, 260,543.10 and 164,018.60 is: 246,027.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    173,695.40 : 260,543.10 = 164,018.60 : x
  2. Step 2: Convert to fraction form
    173,695.40/260,543.10 = 164,018.60/x
  3. Step 3: Cross multiply
    173,695.40x = 260,543.10 × 164,018.60
  4. Step 4: Simplify right side
    173,695.40x = 42,733,914,501.66
  5. Step 5: Solve for x
    x = 42,733,914,501.66/173,695.40
  6. Step 6: Final answer
    x = 246,027.90

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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.