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Finding the Fourth Proportional to 169,671.60, 234,154 and 94,220

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Solution

The fourth proportional to 169,671.60, 234,154 and 94,220 is: 130,027.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    169,671.60 : 234,154 = 94,220 : x
  2. Step 2: Convert to fraction form
    169,671.60/234,154 = 94,220/x
  3. Step 3: Cross multiply
    169,671.60x = 234,154 × 94,220
  4. Step 4: Simplify right side
    169,671.60x = 22,061,989,880
  5. Step 5: Solve for x
    x = 22,061,989,880/169,671.60
  6. Step 6: Final answer
    x = 130,027.59

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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.