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Finding the Fourth Proportional to 93,553.50, 129,106.68 and 51,114.78

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Solution

The fourth proportional to 93,553.50, 129,106.68 and 51,114.78 is: 70,539.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    93,553.50 : 129,106.68 = 51,114.78 : x
  2. Step 2: Convert to fraction form
    93,553.50/129,106.68 = 51,114.78/x
  3. Step 3: Cross multiply
    93,553.50x = 129,106.68 × 51,114.78
  4. Step 4: Simplify right side
    93,553.50x = 6,599,259,544.73
  5. Step 5: Solve for x
    x = 6,599,259,544.73/93,553.50
  6. Step 6: Final answer
    x = 70,539.95

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Double scale
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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.