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Finding the Fourth Proportional to 93,714.76, 129,328.26 and 51,274.21

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Solution

The fourth proportional to 93,714.76, 129,328.26 and 51,274.21 is: 70,759.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    93,714.76 : 129,328.26 = 51,274.21 : x
  2. Step 2: Convert to fraction form
    93,714.76/129,328.26 = 51,274.21/x
  3. Step 3: Cross multiply
    93,714.76x = 129,328.26 × 51,274.21
  4. Step 4: Simplify right side
    93,714.76x = 6,631,204,362.17
  5. Step 5: Solve for x
    x = 6,631,204,362.17/93,714.76
  6. Step 6: Final answer
    x = 70,759.44

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1.5x scale

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.