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Finding the Fourth Proportional to 93,852, 129,515.76 and 51,410.70

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Solution

The fourth proportional to 93,852, 129,515.76 and 51,410.70 is: 70,946.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    93,852 : 129,515.76 = 51,410.70 : x
  2. Step 2: Convert to fraction form
    93,852/129,515.76 = 51,410.70/x
  3. Step 3: Cross multiply
    93,852x = 129,515.76 × 51,410.70
  4. Step 4: Simplify right side
    93,852x = 6,658,495,882.63
  5. Step 5: Solve for x
    x = 6,658,495,882.63/93,852
  6. Step 6: Final answer
    x = 70,946.77

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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.