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Finding the Fourth Proportional to 93,946.50, 129,714.21 and 60,470.82

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Solution

The fourth proportional to 93,946.50, 129,714.21 and 60,470.82 is: 83,493.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    93,946.50 : 129,714.21 = 60,470.82 : x
  2. Step 2: Convert to fraction form
    93,946.50/129,714.21 = 60,470.82/x
  3. Step 3: Cross multiply
    93,946.50x = 129,714.21 × 60,470.82
  4. Step 4: Simplify right side
    93,946.50x = 7,843,924,644.35
  5. Step 5: Solve for x
    x = 7,843,924,644.35/93,946.50
  6. Step 6: Final answer
    x = 83,493.53

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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.