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Finding the Fourth Proportional to 173,733.60, 261,157.20 and 161,407.20

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Solution

The fourth proportional to 173,733.60, 261,157.20 and 161,407.20 is: 242,628.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    173,733.60 : 261,157.20 = 161,407.20 : x
  2. Step 2: Convert to fraction form
    173,733.60/261,157.20 = 161,407.20/x
  3. Step 3: Cross multiply
    173,733.60x = 261,157.20 × 161,407.20
  4. Step 4: Simplify right side
    173,733.60x = 42,152,652,411.84
  5. Step 5: Solve for x
    x = 42,152,652,411.84/173,733.60
  6. Step 6: Final answer
    x = 242,628.10

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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.