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Finding the Fourth Proportional to 271,902.60, 375,285.56 and 151,085.40

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Solution

The fourth proportional to 271,902.60, 375,285.56 and 151,085.40 is: 208,531.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    271,902.60 : 375,285.56 = 151,085.40 : x
  2. Step 2: Convert to fraction form
    271,902.60/375,285.56 = 151,085.40/x
  3. Step 3: Cross multiply
    271,902.60x = 375,285.56 × 151,085.40
  4. Step 4: Simplify right side
    271,902.60x = 56,700,168,946.82
  5. Step 5: Solve for x
    x = 56,700,168,946.82/271,902.60
  6. Step 6: Final answer
    x = 208,531.18

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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.